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1 | e89f66ec | bellard | /*
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2 | 4fa0f5d2 | bellard | * QEMU VGA Emulator.
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3 | 5fafdf24 | ths | *
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4 | e89f66ec | bellard | * Copyright (c) 2003 Fabrice Bellard
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5 | 5fafdf24 | ths | *
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6 | e89f66ec | bellard | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | e89f66ec | bellard | * of this software and associated documentation files (the "Software"), to deal
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8 | e89f66ec | bellard | * in the Software without restriction, including without limitation the rights
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9 | e89f66ec | bellard | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | e89f66ec | bellard | * copies of the Software, and to permit persons to whom the Software is
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11 | e89f66ec | bellard | * furnished to do so, subject to the following conditions:
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12 | e89f66ec | bellard | *
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13 | e89f66ec | bellard | * The above copyright notice and this permission notice shall be included in
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14 | e89f66ec | bellard | * all copies or substantial portions of the Software.
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15 | e89f66ec | bellard | *
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16 | e89f66ec | bellard | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | e89f66ec | bellard | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | e89f66ec | bellard | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | e89f66ec | bellard | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | e89f66ec | bellard | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | e89f66ec | bellard | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | e89f66ec | bellard | * THE SOFTWARE.
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23 | e89f66ec | bellard | */
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24 | 87ecb68b | pbrook | #include "hw.h" |
25 | 87ecb68b | pbrook | #include "console.h" |
26 | 87ecb68b | pbrook | #include "pc.h" |
27 | 87ecb68b | pbrook | #include "pci.h" |
28 | 798b0c25 | bellard | #include "vga_int.h" |
29 | 94470844 | blueswir1 | #include "pixel_ops.h" |
30 | cb5a7aa8 | malc | #include "qemu-timer.h" |
31 | 50af3246 | Juan Quintela | #include "kvm.h" |
32 | e89f66ec | bellard | |
33 | e89f66ec | bellard | //#define DEBUG_VGA
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34 | 17b0018b | bellard | //#define DEBUG_VGA_MEM
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35 | a41bc9af | bellard | //#define DEBUG_VGA_REG
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36 | a41bc9af | bellard | |
37 | 4fa0f5d2 | bellard | //#define DEBUG_BOCHS_VBE
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38 | 4fa0f5d2 | bellard | |
39 | e89f66ec | bellard | /* force some bits to zero */
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40 | 798b0c25 | bellard | const uint8_t sr_mask[8] = { |
41 | 9e622b15 | blueswir1 | 0x03,
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42 | 9e622b15 | blueswir1 | 0x3d,
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43 | 9e622b15 | blueswir1 | 0x0f,
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44 | 9e622b15 | blueswir1 | 0x3f,
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45 | 9e622b15 | blueswir1 | 0x0e,
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46 | 9e622b15 | blueswir1 | 0x00,
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47 | 9e622b15 | blueswir1 | 0x00,
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48 | 9e622b15 | blueswir1 | 0xff,
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49 | e89f66ec | bellard | }; |
50 | e89f66ec | bellard | |
51 | 798b0c25 | bellard | const uint8_t gr_mask[16] = { |
52 | 9e622b15 | blueswir1 | 0x0f, /* 0x00 */ |
53 | 9e622b15 | blueswir1 | 0x0f, /* 0x01 */ |
54 | 9e622b15 | blueswir1 | 0x0f, /* 0x02 */ |
55 | 9e622b15 | blueswir1 | 0x1f, /* 0x03 */ |
56 | 9e622b15 | blueswir1 | 0x03, /* 0x04 */ |
57 | 9e622b15 | blueswir1 | 0x7b, /* 0x05 */ |
58 | 9e622b15 | blueswir1 | 0x0f, /* 0x06 */ |
59 | 9e622b15 | blueswir1 | 0x0f, /* 0x07 */ |
60 | 9e622b15 | blueswir1 | 0xff, /* 0x08 */ |
61 | 9e622b15 | blueswir1 | 0x00, /* 0x09 */ |
62 | 9e622b15 | blueswir1 | 0x00, /* 0x0a */ |
63 | 9e622b15 | blueswir1 | 0x00, /* 0x0b */ |
64 | 9e622b15 | blueswir1 | 0x00, /* 0x0c */ |
65 | 9e622b15 | blueswir1 | 0x00, /* 0x0d */ |
66 | 9e622b15 | blueswir1 | 0x00, /* 0x0e */ |
67 | 9e622b15 | blueswir1 | 0x00, /* 0x0f */ |
68 | e89f66ec | bellard | }; |
69 | e89f66ec | bellard | |
70 | e89f66ec | bellard | #define cbswap_32(__x) \
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71 | e89f66ec | bellard | ((uint32_t)( \ |
72 | e89f66ec | bellard | (((uint32_t)(__x) & (uint32_t)0x000000ffUL) << 24) | \ |
73 | e89f66ec | bellard | (((uint32_t)(__x) & (uint32_t)0x0000ff00UL) << 8) | \ |
74 | e89f66ec | bellard | (((uint32_t)(__x) & (uint32_t)0x00ff0000UL) >> 8) | \ |
75 | e89f66ec | bellard | (((uint32_t)(__x) & (uint32_t)0xff000000UL) >> 24) )) |
76 | e89f66ec | bellard | |
77 | e2542fe2 | Juan Quintela | #ifdef HOST_WORDS_BIGENDIAN
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78 | e89f66ec | bellard | #define PAT(x) cbswap_32(x)
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79 | e89f66ec | bellard | #else
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80 | e89f66ec | bellard | #define PAT(x) (x)
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81 | e89f66ec | bellard | #endif
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82 | e89f66ec | bellard | |
83 | e2542fe2 | Juan Quintela | #ifdef HOST_WORDS_BIGENDIAN
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84 | b8ed223b | bellard | #define BIG 1 |
85 | b8ed223b | bellard | #else
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86 | b8ed223b | bellard | #define BIG 0 |
87 | b8ed223b | bellard | #endif
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88 | b8ed223b | bellard | |
89 | e2542fe2 | Juan Quintela | #ifdef HOST_WORDS_BIGENDIAN
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90 | b8ed223b | bellard | #define GET_PLANE(data, p) (((data) >> (24 - (p) * 8)) & 0xff) |
91 | b8ed223b | bellard | #else
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92 | b8ed223b | bellard | #define GET_PLANE(data, p) (((data) >> ((p) * 8)) & 0xff) |
93 | b8ed223b | bellard | #endif
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94 | b8ed223b | bellard | |
95 | e89f66ec | bellard | static const uint32_t mask16[16] = { |
96 | e89f66ec | bellard | PAT(0x00000000),
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97 | e89f66ec | bellard | PAT(0x000000ff),
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98 | e89f66ec | bellard | PAT(0x0000ff00),
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99 | e89f66ec | bellard | PAT(0x0000ffff),
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100 | e89f66ec | bellard | PAT(0x00ff0000),
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101 | e89f66ec | bellard | PAT(0x00ff00ff),
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102 | e89f66ec | bellard | PAT(0x00ffff00),
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103 | e89f66ec | bellard | PAT(0x00ffffff),
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104 | e89f66ec | bellard | PAT(0xff000000),
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105 | e89f66ec | bellard | PAT(0xff0000ff),
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106 | e89f66ec | bellard | PAT(0xff00ff00),
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107 | e89f66ec | bellard | PAT(0xff00ffff),
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108 | e89f66ec | bellard | PAT(0xffff0000),
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109 | e89f66ec | bellard | PAT(0xffff00ff),
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110 | e89f66ec | bellard | PAT(0xffffff00),
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111 | e89f66ec | bellard | PAT(0xffffffff),
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112 | e89f66ec | bellard | }; |
113 | e89f66ec | bellard | |
114 | e89f66ec | bellard | #undef PAT
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115 | e89f66ec | bellard | |
116 | e2542fe2 | Juan Quintela | #ifdef HOST_WORDS_BIGENDIAN
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117 | e89f66ec | bellard | #define PAT(x) (x)
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118 | e89f66ec | bellard | #else
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119 | e89f66ec | bellard | #define PAT(x) cbswap_32(x)
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120 | e89f66ec | bellard | #endif
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121 | e89f66ec | bellard | |
122 | e89f66ec | bellard | static const uint32_t dmask16[16] = { |
123 | e89f66ec | bellard | PAT(0x00000000),
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124 | e89f66ec | bellard | PAT(0x000000ff),
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125 | e89f66ec | bellard | PAT(0x0000ff00),
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126 | e89f66ec | bellard | PAT(0x0000ffff),
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127 | e89f66ec | bellard | PAT(0x00ff0000),
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128 | e89f66ec | bellard | PAT(0x00ff00ff),
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129 | e89f66ec | bellard | PAT(0x00ffff00),
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130 | e89f66ec | bellard | PAT(0x00ffffff),
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131 | e89f66ec | bellard | PAT(0xff000000),
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132 | e89f66ec | bellard | PAT(0xff0000ff),
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133 | e89f66ec | bellard | PAT(0xff00ff00),
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134 | e89f66ec | bellard | PAT(0xff00ffff),
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135 | e89f66ec | bellard | PAT(0xffff0000),
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136 | e89f66ec | bellard | PAT(0xffff00ff),
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137 | e89f66ec | bellard | PAT(0xffffff00),
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138 | e89f66ec | bellard | PAT(0xffffffff),
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139 | e89f66ec | bellard | }; |
140 | e89f66ec | bellard | |
141 | e89f66ec | bellard | static const uint32_t dmask4[4] = { |
142 | e89f66ec | bellard | PAT(0x00000000),
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143 | e89f66ec | bellard | PAT(0x0000ffff),
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144 | e89f66ec | bellard | PAT(0xffff0000),
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145 | e89f66ec | bellard | PAT(0xffffffff),
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146 | e89f66ec | bellard | }; |
147 | e89f66ec | bellard | |
148 | e89f66ec | bellard | static uint32_t expand4[256]; |
149 | e89f66ec | bellard | static uint16_t expand2[256]; |
150 | 17b0018b | bellard | static uint8_t expand4to8[16]; |
151 | e89f66ec | bellard | |
152 | 95219897 | pbrook | static void vga_screen_dump(void *opaque, const char *filename); |
153 | 04a52b41 | Stefano Stabellini | static char *screen_dump_filename; |
154 | 04a52b41 | Stefano Stabellini | static DisplayChangeListener *screen_dump_dcl;
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155 | 95219897 | pbrook | |
156 | cedd91d2 | Juan Quintela | static void vga_dumb_update_retrace_info(VGACommonState *s) |
157 | cb5a7aa8 | malc | { |
158 | cb5a7aa8 | malc | (void) s;
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159 | cb5a7aa8 | malc | } |
160 | cb5a7aa8 | malc | |
161 | cedd91d2 | Juan Quintela | static void vga_precise_update_retrace_info(VGACommonState *s) |
162 | cb5a7aa8 | malc | { |
163 | cb5a7aa8 | malc | int htotal_chars;
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164 | cb5a7aa8 | malc | int hretr_start_char;
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165 | cb5a7aa8 | malc | int hretr_skew_chars;
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166 | cb5a7aa8 | malc | int hretr_end_char;
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167 | cb5a7aa8 | malc | |
168 | cb5a7aa8 | malc | int vtotal_lines;
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169 | cb5a7aa8 | malc | int vretr_start_line;
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170 | cb5a7aa8 | malc | int vretr_end_line;
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171 | cb5a7aa8 | malc | |
172 | cb5a7aa8 | malc | int div2, sldiv2, dots;
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173 | cb5a7aa8 | malc | int clocking_mode;
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174 | cb5a7aa8 | malc | int clock_sel;
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175 | b0f74c87 | balrog | const int clk_hz[] = {25175000, 28322000, 25175000, 25175000}; |
176 | cb5a7aa8 | malc | int64_t chars_per_sec; |
177 | cb5a7aa8 | malc | struct vga_precise_retrace *r = &s->retrace_info.precise;
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178 | cb5a7aa8 | malc | |
179 | cb5a7aa8 | malc | htotal_chars = s->cr[0x00] + 5; |
180 | cb5a7aa8 | malc | hretr_start_char = s->cr[0x04];
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181 | cb5a7aa8 | malc | hretr_skew_chars = (s->cr[0x05] >> 5) & 3; |
182 | cb5a7aa8 | malc | hretr_end_char = s->cr[0x05] & 0x1f; |
183 | cb5a7aa8 | malc | |
184 | cb5a7aa8 | malc | vtotal_lines = (s->cr[0x06]
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185 | cb5a7aa8 | malc | | (((s->cr[0x07] & 1) | ((s->cr[0x07] >> 4) & 2)) << 8)) + 2 |
186 | cb5a7aa8 | malc | ; |
187 | cb5a7aa8 | malc | vretr_start_line = s->cr[0x10]
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188 | cb5a7aa8 | malc | | ((((s->cr[0x07] >> 2) & 1) | ((s->cr[0x07] >> 6) & 2)) << 8) |
189 | cb5a7aa8 | malc | ; |
190 | cb5a7aa8 | malc | vretr_end_line = s->cr[0x11] & 0xf; |
191 | cb5a7aa8 | malc | |
192 | cb5a7aa8 | malc | |
193 | cb5a7aa8 | malc | div2 = (s->cr[0x17] >> 2) & 1; |
194 | cb5a7aa8 | malc | sldiv2 = (s->cr[0x17] >> 3) & 1; |
195 | cb5a7aa8 | malc | |
196 | cb5a7aa8 | malc | clocking_mode = (s->sr[0x01] >> 3) & 1; |
197 | cb5a7aa8 | malc | clock_sel = (s->msr >> 2) & 3; |
198 | f87fc09b | malc | dots = (s->msr & 1) ? 8 : 9; |
199 | cb5a7aa8 | malc | |
200 | b0f74c87 | balrog | chars_per_sec = clk_hz[clock_sel] / dots; |
201 | cb5a7aa8 | malc | |
202 | cb5a7aa8 | malc | htotal_chars <<= clocking_mode; |
203 | cb5a7aa8 | malc | |
204 | cb5a7aa8 | malc | r->total_chars = vtotal_lines * htotal_chars; |
205 | cb5a7aa8 | malc | if (r->freq) {
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206 | 6ee093c9 | Juan Quintela | r->ticks_per_char = get_ticks_per_sec() / (r->total_chars * r->freq); |
207 | cb5a7aa8 | malc | } else {
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208 | 6ee093c9 | Juan Quintela | r->ticks_per_char = get_ticks_per_sec() / chars_per_sec; |
209 | cb5a7aa8 | malc | } |
210 | cb5a7aa8 | malc | |
211 | cb5a7aa8 | malc | r->vstart = vretr_start_line; |
212 | cb5a7aa8 | malc | r->vend = r->vstart + vretr_end_line + 1;
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213 | cb5a7aa8 | malc | |
214 | cb5a7aa8 | malc | r->hstart = hretr_start_char + hretr_skew_chars; |
215 | cb5a7aa8 | malc | r->hend = r->hstart + hretr_end_char + 1;
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216 | cb5a7aa8 | malc | r->htotal = htotal_chars; |
217 | cb5a7aa8 | malc | |
218 | f87fc09b | malc | #if 0
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219 | cb5a7aa8 | malc | printf (
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220 | f87fc09b | malc | "hz=%f\n"
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221 | cb5a7aa8 | malc | "htotal = %d\n"
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222 | cb5a7aa8 | malc | "hretr_start = %d\n"
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223 | cb5a7aa8 | malc | "hretr_skew = %d\n"
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224 | cb5a7aa8 | malc | "hretr_end = %d\n"
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225 | cb5a7aa8 | malc | "vtotal = %d\n"
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226 | cb5a7aa8 | malc | "vretr_start = %d\n"
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227 | cb5a7aa8 | malc | "vretr_end = %d\n"
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228 | cb5a7aa8 | malc | "div2 = %d sldiv2 = %d\n"
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229 | cb5a7aa8 | malc | "clocking_mode = %d\n"
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230 | cb5a7aa8 | malc | "clock_sel = %d %d\n"
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231 | cb5a7aa8 | malc | "dots = %d\n"
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232 | cb5a7aa8 | malc | "ticks/char = %lld\n"
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233 | cb5a7aa8 | malc | "\n",
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234 | 6ee093c9 | Juan Quintela | (double) get_ticks_per_sec() / (r->ticks_per_char * r->total_chars),
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235 | cb5a7aa8 | malc | htotal_chars,
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236 | cb5a7aa8 | malc | hretr_start_char,
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237 | cb5a7aa8 | malc | hretr_skew_chars,
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238 | cb5a7aa8 | malc | hretr_end_char,
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239 | cb5a7aa8 | malc | vtotal_lines,
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240 | cb5a7aa8 | malc | vretr_start_line,
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241 | cb5a7aa8 | malc | vretr_end_line,
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242 | cb5a7aa8 | malc | div2, sldiv2,
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243 | cb5a7aa8 | malc | clocking_mode,
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244 | cb5a7aa8 | malc | clock_sel,
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245 | b0f74c87 | balrog | clk_hz[clock_sel],
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246 | cb5a7aa8 | malc | dots,
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247 | cb5a7aa8 | malc | r->ticks_per_char
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248 | cb5a7aa8 | malc | );
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249 | cb5a7aa8 | malc | #endif
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250 | cb5a7aa8 | malc | } |
251 | cb5a7aa8 | malc | |
252 | cedd91d2 | Juan Quintela | static uint8_t vga_precise_retrace(VGACommonState *s)
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253 | cb5a7aa8 | malc | { |
254 | cb5a7aa8 | malc | struct vga_precise_retrace *r = &s->retrace_info.precise;
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255 | cb5a7aa8 | malc | uint8_t val = s->st01 & ~(ST01_V_RETRACE | ST01_DISP_ENABLE); |
256 | cb5a7aa8 | malc | |
257 | cb5a7aa8 | malc | if (r->total_chars) {
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258 | cb5a7aa8 | malc | int cur_line, cur_line_char, cur_char;
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259 | cb5a7aa8 | malc | int64_t cur_tick; |
260 | cb5a7aa8 | malc | |
261 | cb5a7aa8 | malc | cur_tick = qemu_get_clock(vm_clock); |
262 | cb5a7aa8 | malc | |
263 | cb5a7aa8 | malc | cur_char = (cur_tick / r->ticks_per_char) % r->total_chars; |
264 | cb5a7aa8 | malc | cur_line = cur_char / r->htotal; |
265 | cb5a7aa8 | malc | |
266 | cb5a7aa8 | malc | if (cur_line >= r->vstart && cur_line <= r->vend) {
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267 | cb5a7aa8 | malc | val |= ST01_V_RETRACE | ST01_DISP_ENABLE; |
268 | f87fc09b | malc | } else {
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269 | f87fc09b | malc | cur_line_char = cur_char % r->htotal; |
270 | f87fc09b | malc | if (cur_line_char >= r->hstart && cur_line_char <= r->hend) {
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271 | f87fc09b | malc | val |= ST01_DISP_ENABLE; |
272 | f87fc09b | malc | } |
273 | cb5a7aa8 | malc | } |
274 | cb5a7aa8 | malc | |
275 | cb5a7aa8 | malc | return val;
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276 | cb5a7aa8 | malc | } else {
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277 | cb5a7aa8 | malc | return s->st01 ^ (ST01_V_RETRACE | ST01_DISP_ENABLE);
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278 | cb5a7aa8 | malc | } |
279 | cb5a7aa8 | malc | } |
280 | cb5a7aa8 | malc | |
281 | cedd91d2 | Juan Quintela | static uint8_t vga_dumb_retrace(VGACommonState *s)
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282 | cb5a7aa8 | malc | { |
283 | cb5a7aa8 | malc | return s->st01 ^ (ST01_V_RETRACE | ST01_DISP_ENABLE);
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284 | cb5a7aa8 | malc | } |
285 | cb5a7aa8 | malc | |
286 | 25a18cbd | Juan Quintela | int vga_ioport_invalid(VGACommonState *s, uint32_t addr)
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287 | 25a18cbd | Juan Quintela | { |
288 | 25a18cbd | Juan Quintela | if (s->msr & MSR_COLOR_EMULATION) {
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289 | 25a18cbd | Juan Quintela | /* Color */
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290 | 25a18cbd | Juan Quintela | return (addr >= 0x3b0 && addr <= 0x3bf); |
291 | 25a18cbd | Juan Quintela | } else {
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292 | 25a18cbd | Juan Quintela | /* Monochrome */
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293 | 25a18cbd | Juan Quintela | return (addr >= 0x3d0 && addr <= 0x3df); |
294 | 25a18cbd | Juan Quintela | } |
295 | 25a18cbd | Juan Quintela | } |
296 | 25a18cbd | Juan Quintela | |
297 | 43bf782b | Juan Quintela | uint32_t vga_ioport_read(void *opaque, uint32_t addr)
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298 | e89f66ec | bellard | { |
299 | 43bf782b | Juan Quintela | VGACommonState *s = opaque; |
300 | e89f66ec | bellard | int val, index;
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301 | e89f66ec | bellard | |
302 | 25a18cbd | Juan Quintela | if (vga_ioport_invalid(s, addr)) {
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303 | e89f66ec | bellard | val = 0xff;
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304 | e89f66ec | bellard | } else {
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305 | e89f66ec | bellard | switch(addr) {
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306 | e89f66ec | bellard | case 0x3c0: |
307 | e89f66ec | bellard | if (s->ar_flip_flop == 0) { |
308 | e89f66ec | bellard | val = s->ar_index; |
309 | e89f66ec | bellard | } else {
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310 | e89f66ec | bellard | val = 0;
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311 | e89f66ec | bellard | } |
312 | e89f66ec | bellard | break;
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313 | e89f66ec | bellard | case 0x3c1: |
314 | e89f66ec | bellard | index = s->ar_index & 0x1f;
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315 | 5fafdf24 | ths | if (index < 21) |
316 | e89f66ec | bellard | val = s->ar[index]; |
317 | e89f66ec | bellard | else
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318 | e89f66ec | bellard | val = 0;
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319 | e89f66ec | bellard | break;
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320 | e89f66ec | bellard | case 0x3c2: |
321 | e89f66ec | bellard | val = s->st00; |
322 | e89f66ec | bellard | break;
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323 | e89f66ec | bellard | case 0x3c4: |
324 | e89f66ec | bellard | val = s->sr_index; |
325 | e89f66ec | bellard | break;
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326 | e89f66ec | bellard | case 0x3c5: |
327 | e89f66ec | bellard | val = s->sr[s->sr_index]; |
328 | a41bc9af | bellard | #ifdef DEBUG_VGA_REG
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329 | a41bc9af | bellard | printf("vga: read SR%x = 0x%02x\n", s->sr_index, val);
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330 | a41bc9af | bellard | #endif
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331 | e89f66ec | bellard | break;
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332 | e89f66ec | bellard | case 0x3c7: |
333 | e89f66ec | bellard | val = s->dac_state; |
334 | e89f66ec | bellard | break;
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335 | e9b43ea3 | Juan Quintela | case 0x3c8: |
336 | e9b43ea3 | Juan Quintela | val = s->dac_write_index; |
337 | e9b43ea3 | Juan Quintela | break;
|
338 | e89f66ec | bellard | case 0x3c9: |
339 | e89f66ec | bellard | val = s->palette[s->dac_read_index * 3 + s->dac_sub_index];
|
340 | e89f66ec | bellard | if (++s->dac_sub_index == 3) { |
341 | e89f66ec | bellard | s->dac_sub_index = 0;
|
342 | e89f66ec | bellard | s->dac_read_index++; |
343 | e89f66ec | bellard | } |
344 | e89f66ec | bellard | break;
|
345 | e89f66ec | bellard | case 0x3ca: |
346 | e89f66ec | bellard | val = s->fcr; |
347 | e89f66ec | bellard | break;
|
348 | e89f66ec | bellard | case 0x3cc: |
349 | e89f66ec | bellard | val = s->msr; |
350 | e89f66ec | bellard | break;
|
351 | e89f66ec | bellard | case 0x3ce: |
352 | e89f66ec | bellard | val = s->gr_index; |
353 | e89f66ec | bellard | break;
|
354 | e89f66ec | bellard | case 0x3cf: |
355 | e89f66ec | bellard | val = s->gr[s->gr_index]; |
356 | a41bc9af | bellard | #ifdef DEBUG_VGA_REG
|
357 | a41bc9af | bellard | printf("vga: read GR%x = 0x%02x\n", s->gr_index, val);
|
358 | a41bc9af | bellard | #endif
|
359 | e89f66ec | bellard | break;
|
360 | e89f66ec | bellard | case 0x3b4: |
361 | e89f66ec | bellard | case 0x3d4: |
362 | e89f66ec | bellard | val = s->cr_index; |
363 | e89f66ec | bellard | break;
|
364 | e89f66ec | bellard | case 0x3b5: |
365 | e89f66ec | bellard | case 0x3d5: |
366 | e89f66ec | bellard | val = s->cr[s->cr_index]; |
367 | a41bc9af | bellard | #ifdef DEBUG_VGA_REG
|
368 | a41bc9af | bellard | printf("vga: read CR%x = 0x%02x\n", s->cr_index, val);
|
369 | a41bc9af | bellard | #endif
|
370 | e89f66ec | bellard | break;
|
371 | e89f66ec | bellard | case 0x3ba: |
372 | e89f66ec | bellard | case 0x3da: |
373 | e89f66ec | bellard | /* just toggle to fool polling */
|
374 | cb5a7aa8 | malc | val = s->st01 = s->retrace(s); |
375 | e89f66ec | bellard | s->ar_flip_flop = 0;
|
376 | e89f66ec | bellard | break;
|
377 | e89f66ec | bellard | default:
|
378 | e89f66ec | bellard | val = 0x00;
|
379 | e89f66ec | bellard | break;
|
380 | e89f66ec | bellard | } |
381 | e89f66ec | bellard | } |
382 | 4fa0f5d2 | bellard | #if defined(DEBUG_VGA)
|
383 | e89f66ec | bellard | printf("VGA: read addr=0x%04x data=0x%02x\n", addr, val);
|
384 | e89f66ec | bellard | #endif
|
385 | e89f66ec | bellard | return val;
|
386 | e89f66ec | bellard | } |
387 | e89f66ec | bellard | |
388 | 43bf782b | Juan Quintela | void vga_ioport_write(void *opaque, uint32_t addr, uint32_t val) |
389 | e89f66ec | bellard | { |
390 | 43bf782b | Juan Quintela | VGACommonState *s = opaque; |
391 | 5467a722 | bellard | int index;
|
392 | e89f66ec | bellard | |
393 | e89f66ec | bellard | /* check port range access depending on color/monochrome mode */
|
394 | 25a18cbd | Juan Quintela | if (vga_ioport_invalid(s, addr)) {
|
395 | e89f66ec | bellard | return;
|
396 | 25a18cbd | Juan Quintela | } |
397 | e89f66ec | bellard | #ifdef DEBUG_VGA
|
398 | e89f66ec | bellard | printf("VGA: write addr=0x%04x data=0x%02x\n", addr, val);
|
399 | e89f66ec | bellard | #endif
|
400 | e89f66ec | bellard | |
401 | e89f66ec | bellard | switch(addr) {
|
402 | e89f66ec | bellard | case 0x3c0: |
403 | e89f66ec | bellard | if (s->ar_flip_flop == 0) { |
404 | e89f66ec | bellard | val &= 0x3f;
|
405 | e89f66ec | bellard | s->ar_index = val; |
406 | e89f66ec | bellard | } else {
|
407 | e89f66ec | bellard | index = s->ar_index & 0x1f;
|
408 | e89f66ec | bellard | switch(index) {
|
409 | e89f66ec | bellard | case 0x00 ... 0x0f: |
410 | e89f66ec | bellard | s->ar[index] = val & 0x3f;
|
411 | e89f66ec | bellard | break;
|
412 | e89f66ec | bellard | case 0x10: |
413 | e89f66ec | bellard | s->ar[index] = val & ~0x10;
|
414 | e89f66ec | bellard | break;
|
415 | e89f66ec | bellard | case 0x11: |
416 | e89f66ec | bellard | s->ar[index] = val; |
417 | e89f66ec | bellard | break;
|
418 | e89f66ec | bellard | case 0x12: |
419 | e89f66ec | bellard | s->ar[index] = val & ~0xc0;
|
420 | e89f66ec | bellard | break;
|
421 | e89f66ec | bellard | case 0x13: |
422 | e89f66ec | bellard | s->ar[index] = val & ~0xf0;
|
423 | e89f66ec | bellard | break;
|
424 | e89f66ec | bellard | case 0x14: |
425 | e89f66ec | bellard | s->ar[index] = val & ~0xf0;
|
426 | e89f66ec | bellard | break;
|
427 | e89f66ec | bellard | default:
|
428 | e89f66ec | bellard | break;
|
429 | e89f66ec | bellard | } |
430 | e89f66ec | bellard | } |
431 | e89f66ec | bellard | s->ar_flip_flop ^= 1;
|
432 | e89f66ec | bellard | break;
|
433 | e89f66ec | bellard | case 0x3c2: |
434 | e89f66ec | bellard | s->msr = val & ~0x10;
|
435 | cb5a7aa8 | malc | s->update_retrace_info(s); |
436 | e89f66ec | bellard | break;
|
437 | e89f66ec | bellard | case 0x3c4: |
438 | e89f66ec | bellard | s->sr_index = val & 7;
|
439 | e89f66ec | bellard | break;
|
440 | e89f66ec | bellard | case 0x3c5: |
441 | a41bc9af | bellard | #ifdef DEBUG_VGA_REG
|
442 | a41bc9af | bellard | printf("vga: write SR%x = 0x%02x\n", s->sr_index, val);
|
443 | a41bc9af | bellard | #endif
|
444 | e89f66ec | bellard | s->sr[s->sr_index] = val & sr_mask[s->sr_index]; |
445 | cb5a7aa8 | malc | if (s->sr_index == 1) s->update_retrace_info(s); |
446 | e89f66ec | bellard | break;
|
447 | e89f66ec | bellard | case 0x3c7: |
448 | e89f66ec | bellard | s->dac_read_index = val; |
449 | e89f66ec | bellard | s->dac_sub_index = 0;
|
450 | e89f66ec | bellard | s->dac_state = 3;
|
451 | e89f66ec | bellard | break;
|
452 | e89f66ec | bellard | case 0x3c8: |
453 | e89f66ec | bellard | s->dac_write_index = val; |
454 | e89f66ec | bellard | s->dac_sub_index = 0;
|
455 | e89f66ec | bellard | s->dac_state = 0;
|
456 | e89f66ec | bellard | break;
|
457 | e89f66ec | bellard | case 0x3c9: |
458 | e89f66ec | bellard | s->dac_cache[s->dac_sub_index] = val; |
459 | e89f66ec | bellard | if (++s->dac_sub_index == 3) { |
460 | e89f66ec | bellard | memcpy(&s->palette[s->dac_write_index * 3], s->dac_cache, 3); |
461 | e89f66ec | bellard | s->dac_sub_index = 0;
|
462 | e89f66ec | bellard | s->dac_write_index++; |
463 | e89f66ec | bellard | } |
464 | e89f66ec | bellard | break;
|
465 | e89f66ec | bellard | case 0x3ce: |
466 | e89f66ec | bellard | s->gr_index = val & 0x0f;
|
467 | e89f66ec | bellard | break;
|
468 | e89f66ec | bellard | case 0x3cf: |
469 | a41bc9af | bellard | #ifdef DEBUG_VGA_REG
|
470 | a41bc9af | bellard | printf("vga: write GR%x = 0x%02x\n", s->gr_index, val);
|
471 | a41bc9af | bellard | #endif
|
472 | e89f66ec | bellard | s->gr[s->gr_index] = val & gr_mask[s->gr_index]; |
473 | e89f66ec | bellard | break;
|
474 | e89f66ec | bellard | case 0x3b4: |
475 | e89f66ec | bellard | case 0x3d4: |
476 | e89f66ec | bellard | s->cr_index = val; |
477 | e89f66ec | bellard | break;
|
478 | e89f66ec | bellard | case 0x3b5: |
479 | e89f66ec | bellard | case 0x3d5: |
480 | a41bc9af | bellard | #ifdef DEBUG_VGA_REG
|
481 | a41bc9af | bellard | printf("vga: write CR%x = 0x%02x\n", s->cr_index, val);
|
482 | a41bc9af | bellard | #endif
|
483 | e89f66ec | bellard | /* handle CR0-7 protection */
|
484 | f6c958c8 | bellard | if ((s->cr[0x11] & 0x80) && s->cr_index <= 7) { |
485 | e89f66ec | bellard | /* can always write bit 4 of CR7 */
|
486 | e89f66ec | bellard | if (s->cr_index == 7) |
487 | e89f66ec | bellard | s->cr[7] = (s->cr[7] & ~0x10) | (val & 0x10); |
488 | e89f66ec | bellard | return;
|
489 | e89f66ec | bellard | } |
490 | a46007a0 | Juan Quintela | s->cr[s->cr_index] = val; |
491 | cb5a7aa8 | malc | |
492 | cb5a7aa8 | malc | switch(s->cr_index) {
|
493 | cb5a7aa8 | malc | case 0x00: |
494 | cb5a7aa8 | malc | case 0x04: |
495 | cb5a7aa8 | malc | case 0x05: |
496 | cb5a7aa8 | malc | case 0x06: |
497 | cb5a7aa8 | malc | case 0x07: |
498 | cb5a7aa8 | malc | case 0x11: |
499 | cb5a7aa8 | malc | case 0x17: |
500 | cb5a7aa8 | malc | s->update_retrace_info(s); |
501 | cb5a7aa8 | malc | break;
|
502 | cb5a7aa8 | malc | } |
503 | e89f66ec | bellard | break;
|
504 | e89f66ec | bellard | case 0x3ba: |
505 | e89f66ec | bellard | case 0x3da: |
506 | e89f66ec | bellard | s->fcr = val & 0x10;
|
507 | e89f66ec | bellard | break;
|
508 | e89f66ec | bellard | } |
509 | e89f66ec | bellard | } |
510 | e89f66ec | bellard | |
511 | 4fa0f5d2 | bellard | #ifdef CONFIG_BOCHS_VBE
|
512 | 09a79b49 | bellard | static uint32_t vbe_ioport_read_index(void *opaque, uint32_t addr) |
513 | 4fa0f5d2 | bellard | { |
514 | cedd91d2 | Juan Quintela | VGACommonState *s = opaque; |
515 | 4fa0f5d2 | bellard | uint32_t val; |
516 | 09a79b49 | bellard | val = s->vbe_index; |
517 | 09a79b49 | bellard | return val;
|
518 | 09a79b49 | bellard | } |
519 | 4fa0f5d2 | bellard | |
520 | 09a79b49 | bellard | static uint32_t vbe_ioport_read_data(void *opaque, uint32_t addr) |
521 | 09a79b49 | bellard | { |
522 | cedd91d2 | Juan Quintela | VGACommonState *s = opaque; |
523 | 09a79b49 | bellard | uint32_t val; |
524 | 09a79b49 | bellard | |
525 | 8454df8b | bellard | if (s->vbe_index <= VBE_DISPI_INDEX_NB) {
|
526 | 8454df8b | bellard | if (s->vbe_regs[VBE_DISPI_INDEX_ENABLE] & VBE_DISPI_GETCAPS) {
|
527 | 8454df8b | bellard | switch(s->vbe_index) {
|
528 | 8454df8b | bellard | /* XXX: do not hardcode ? */
|
529 | 8454df8b | bellard | case VBE_DISPI_INDEX_XRES:
|
530 | 8454df8b | bellard | val = VBE_DISPI_MAX_XRES; |
531 | 8454df8b | bellard | break;
|
532 | 8454df8b | bellard | case VBE_DISPI_INDEX_YRES:
|
533 | 8454df8b | bellard | val = VBE_DISPI_MAX_YRES; |
534 | 8454df8b | bellard | break;
|
535 | 8454df8b | bellard | case VBE_DISPI_INDEX_BPP:
|
536 | 8454df8b | bellard | val = VBE_DISPI_MAX_BPP; |
537 | 8454df8b | bellard | break;
|
538 | 8454df8b | bellard | default:
|
539 | 5fafdf24 | ths | val = s->vbe_regs[s->vbe_index]; |
540 | 8454df8b | bellard | break;
|
541 | 8454df8b | bellard | } |
542 | 8454df8b | bellard | } else {
|
543 | 5fafdf24 | ths | val = s->vbe_regs[s->vbe_index]; |
544 | 8454df8b | bellard | } |
545 | 8454df8b | bellard | } else {
|
546 | 09a79b49 | bellard | val = 0;
|
547 | 8454df8b | bellard | } |
548 | 4fa0f5d2 | bellard | #ifdef DEBUG_BOCHS_VBE
|
549 | 09a79b49 | bellard | printf("VBE: read index=0x%x val=0x%x\n", s->vbe_index, val);
|
550 | 4fa0f5d2 | bellard | #endif
|
551 | 4fa0f5d2 | bellard | return val;
|
552 | 4fa0f5d2 | bellard | } |
553 | 4fa0f5d2 | bellard | |
554 | 09a79b49 | bellard | static void vbe_ioport_write_index(void *opaque, uint32_t addr, uint32_t val) |
555 | 09a79b49 | bellard | { |
556 | cedd91d2 | Juan Quintela | VGACommonState *s = opaque; |
557 | 09a79b49 | bellard | s->vbe_index = val; |
558 | 09a79b49 | bellard | } |
559 | 09a79b49 | bellard | |
560 | 09a79b49 | bellard | static void vbe_ioport_write_data(void *opaque, uint32_t addr, uint32_t val) |
561 | 4fa0f5d2 | bellard | { |
562 | cedd91d2 | Juan Quintela | VGACommonState *s = opaque; |
563 | 4fa0f5d2 | bellard | |
564 | 09a79b49 | bellard | if (s->vbe_index <= VBE_DISPI_INDEX_NB) {
|
565 | 4fa0f5d2 | bellard | #ifdef DEBUG_BOCHS_VBE
|
566 | 4fa0f5d2 | bellard | printf("VBE: write index=0x%x val=0x%x\n", s->vbe_index, val);
|
567 | 4fa0f5d2 | bellard | #endif
|
568 | 4fa0f5d2 | bellard | switch(s->vbe_index) {
|
569 | 4fa0f5d2 | bellard | case VBE_DISPI_INDEX_ID:
|
570 | cae61cef | bellard | if (val == VBE_DISPI_ID0 ||
|
571 | cae61cef | bellard | val == VBE_DISPI_ID1 || |
572 | 37dd208d | bellard | val == VBE_DISPI_ID2 || |
573 | 37dd208d | bellard | val == VBE_DISPI_ID3 || |
574 | 37dd208d | bellard | val == VBE_DISPI_ID4) { |
575 | cae61cef | bellard | s->vbe_regs[s->vbe_index] = val; |
576 | cae61cef | bellard | } |
577 | 4fa0f5d2 | bellard | break;
|
578 | 4fa0f5d2 | bellard | case VBE_DISPI_INDEX_XRES:
|
579 | cae61cef | bellard | if ((val <= VBE_DISPI_MAX_XRES) && ((val & 7) == 0)) { |
580 | cae61cef | bellard | s->vbe_regs[s->vbe_index] = val; |
581 | cae61cef | bellard | } |
582 | 4fa0f5d2 | bellard | break;
|
583 | 4fa0f5d2 | bellard | case VBE_DISPI_INDEX_YRES:
|
584 | cae61cef | bellard | if (val <= VBE_DISPI_MAX_YRES) {
|
585 | cae61cef | bellard | s->vbe_regs[s->vbe_index] = val; |
586 | cae61cef | bellard | } |
587 | 4fa0f5d2 | bellard | break;
|
588 | 4fa0f5d2 | bellard | case VBE_DISPI_INDEX_BPP:
|
589 | 4fa0f5d2 | bellard | if (val == 0) |
590 | 4fa0f5d2 | bellard | val = 8;
|
591 | 5fafdf24 | ths | if (val == 4 || val == 8 || val == 15 || |
592 | cae61cef | bellard | val == 16 || val == 24 || val == 32) { |
593 | cae61cef | bellard | s->vbe_regs[s->vbe_index] = val; |
594 | cae61cef | bellard | } |
595 | 4fa0f5d2 | bellard | break;
|
596 | 4fa0f5d2 | bellard | case VBE_DISPI_INDEX_BANK:
|
597 | 42fc925e | bellard | if (s->vbe_regs[VBE_DISPI_INDEX_BPP] == 4) { |
598 | 42fc925e | bellard | val &= (s->vbe_bank_mask >> 2);
|
599 | 42fc925e | bellard | } else {
|
600 | 42fc925e | bellard | val &= s->vbe_bank_mask; |
601 | 42fc925e | bellard | } |
602 | cae61cef | bellard | s->vbe_regs[s->vbe_index] = val; |
603 | 26aa7d72 | bellard | s->bank_offset = (val << 16);
|
604 | 4fa0f5d2 | bellard | break;
|
605 | 4fa0f5d2 | bellard | case VBE_DISPI_INDEX_ENABLE:
|
606 | 8454df8b | bellard | if ((val & VBE_DISPI_ENABLED) &&
|
607 | 8454df8b | bellard | !(s->vbe_regs[VBE_DISPI_INDEX_ENABLE] & VBE_DISPI_ENABLED)) { |
608 | 4fa0f5d2 | bellard | int h, shift_control;
|
609 | 4fa0f5d2 | bellard | |
610 | 5fafdf24 | ths | s->vbe_regs[VBE_DISPI_INDEX_VIRT_WIDTH] = |
611 | 4fa0f5d2 | bellard | s->vbe_regs[VBE_DISPI_INDEX_XRES]; |
612 | 5fafdf24 | ths | s->vbe_regs[VBE_DISPI_INDEX_VIRT_HEIGHT] = |
613 | 4fa0f5d2 | bellard | s->vbe_regs[VBE_DISPI_INDEX_YRES]; |
614 | 4fa0f5d2 | bellard | s->vbe_regs[VBE_DISPI_INDEX_X_OFFSET] = 0;
|
615 | 4fa0f5d2 | bellard | s->vbe_regs[VBE_DISPI_INDEX_Y_OFFSET] = 0;
|
616 | 3b46e624 | ths | |
617 | 4fa0f5d2 | bellard | if (s->vbe_regs[VBE_DISPI_INDEX_BPP] == 4) |
618 | 4fa0f5d2 | bellard | s->vbe_line_offset = s->vbe_regs[VBE_DISPI_INDEX_XRES] >> 1;
|
619 | 4fa0f5d2 | bellard | else
|
620 | 5fafdf24 | ths | s->vbe_line_offset = s->vbe_regs[VBE_DISPI_INDEX_XRES] * |
621 | 4fa0f5d2 | bellard | ((s->vbe_regs[VBE_DISPI_INDEX_BPP] + 7) >> 3); |
622 | 4fa0f5d2 | bellard | s->vbe_start_addr = 0;
|
623 | 8454df8b | bellard | |
624 | 4fa0f5d2 | bellard | /* clear the screen (should be done in BIOS) */
|
625 | 4fa0f5d2 | bellard | if (!(val & VBE_DISPI_NOCLEARMEM)) {
|
626 | 5fafdf24 | ths | memset(s->vram_ptr, 0,
|
627 | 4fa0f5d2 | bellard | s->vbe_regs[VBE_DISPI_INDEX_YRES] * s->vbe_line_offset); |
628 | 4fa0f5d2 | bellard | } |
629 | 3b46e624 | ths | |
630 | cae61cef | bellard | /* we initialize the VGA graphic mode (should be done
|
631 | cae61cef | bellard | in BIOS) */
|
632 | cae61cef | bellard | s->gr[0x06] = (s->gr[0x06] & ~0x0c) | 0x05; /* graphic mode + memory map 1 */ |
633 | 4fa0f5d2 | bellard | s->cr[0x17] |= 3; /* no CGA modes */ |
634 | 4fa0f5d2 | bellard | s->cr[0x13] = s->vbe_line_offset >> 3; |
635 | 4fa0f5d2 | bellard | /* width */
|
636 | 4fa0f5d2 | bellard | s->cr[0x01] = (s->vbe_regs[VBE_DISPI_INDEX_XRES] >> 3) - 1; |
637 | 8454df8b | bellard | /* height (only meaningful if < 1024) */
|
638 | 4fa0f5d2 | bellard | h = s->vbe_regs[VBE_DISPI_INDEX_YRES] - 1;
|
639 | 4fa0f5d2 | bellard | s->cr[0x12] = h;
|
640 | 5fafdf24 | ths | s->cr[0x07] = (s->cr[0x07] & ~0x42) | |
641 | 4fa0f5d2 | bellard | ((h >> 7) & 0x02) | ((h >> 3) & 0x40); |
642 | 4fa0f5d2 | bellard | /* line compare to 1023 */
|
643 | 4fa0f5d2 | bellard | s->cr[0x18] = 0xff; |
644 | 4fa0f5d2 | bellard | s->cr[0x07] |= 0x10; |
645 | 4fa0f5d2 | bellard | s->cr[0x09] |= 0x40; |
646 | 3b46e624 | ths | |
647 | 4fa0f5d2 | bellard | if (s->vbe_regs[VBE_DISPI_INDEX_BPP] == 4) { |
648 | 4fa0f5d2 | bellard | shift_control = 0;
|
649 | 4fa0f5d2 | bellard | s->sr[0x01] &= ~8; /* no double line */ |
650 | 4fa0f5d2 | bellard | } else {
|
651 | 4fa0f5d2 | bellard | shift_control = 2;
|
652 | 646be93b | bellard | s->sr[4] |= 0x08; /* set chain 4 mode */ |
653 | 141253b2 | bellard | s->sr[2] |= 0x0f; /* activate all planes */ |
654 | 4fa0f5d2 | bellard | } |
655 | 4fa0f5d2 | bellard | s->gr[0x05] = (s->gr[0x05] & ~0x60) | (shift_control << 5); |
656 | 4fa0f5d2 | bellard | s->cr[0x09] &= ~0x9f; /* no double scan */ |
657 | cae61cef | bellard | } else {
|
658 | cae61cef | bellard | /* XXX: the bios should do that */
|
659 | 26aa7d72 | bellard | s->bank_offset = 0;
|
660 | cae61cef | bellard | } |
661 | 37dd208d | bellard | s->dac_8bit = (val & VBE_DISPI_8BIT_DAC) > 0;
|
662 | 141253b2 | bellard | s->vbe_regs[s->vbe_index] = val; |
663 | cae61cef | bellard | break;
|
664 | cae61cef | bellard | case VBE_DISPI_INDEX_VIRT_WIDTH:
|
665 | cae61cef | bellard | { |
666 | cae61cef | bellard | int w, h, line_offset;
|
667 | cae61cef | bellard | |
668 | cae61cef | bellard | if (val < s->vbe_regs[VBE_DISPI_INDEX_XRES])
|
669 | cae61cef | bellard | return;
|
670 | cae61cef | bellard | w = val; |
671 | cae61cef | bellard | if (s->vbe_regs[VBE_DISPI_INDEX_BPP] == 4) |
672 | cae61cef | bellard | line_offset = w >> 1;
|
673 | cae61cef | bellard | else
|
674 | cae61cef | bellard | line_offset = w * ((s->vbe_regs[VBE_DISPI_INDEX_BPP] + 7) >> 3); |
675 | cae61cef | bellard | h = s->vram_size / line_offset; |
676 | cae61cef | bellard | /* XXX: support weird bochs semantics ? */
|
677 | cae61cef | bellard | if (h < s->vbe_regs[VBE_DISPI_INDEX_YRES])
|
678 | cae61cef | bellard | return;
|
679 | cae61cef | bellard | s->vbe_regs[VBE_DISPI_INDEX_VIRT_WIDTH] = w; |
680 | cae61cef | bellard | s->vbe_regs[VBE_DISPI_INDEX_VIRT_HEIGHT] = h; |
681 | cae61cef | bellard | s->vbe_line_offset = line_offset; |
682 | cae61cef | bellard | } |
683 | cae61cef | bellard | break;
|
684 | cae61cef | bellard | case VBE_DISPI_INDEX_X_OFFSET:
|
685 | cae61cef | bellard | case VBE_DISPI_INDEX_Y_OFFSET:
|
686 | cae61cef | bellard | { |
687 | cae61cef | bellard | int x;
|
688 | cae61cef | bellard | s->vbe_regs[s->vbe_index] = val; |
689 | cae61cef | bellard | s->vbe_start_addr = s->vbe_line_offset * s->vbe_regs[VBE_DISPI_INDEX_Y_OFFSET]; |
690 | cae61cef | bellard | x = s->vbe_regs[VBE_DISPI_INDEX_X_OFFSET]; |
691 | cae61cef | bellard | if (s->vbe_regs[VBE_DISPI_INDEX_BPP] == 4) |
692 | cae61cef | bellard | s->vbe_start_addr += x >> 1;
|
693 | cae61cef | bellard | else
|
694 | cae61cef | bellard | s->vbe_start_addr += x * ((s->vbe_regs[VBE_DISPI_INDEX_BPP] + 7) >> 3); |
695 | cae61cef | bellard | s->vbe_start_addr >>= 2;
|
696 | 4fa0f5d2 | bellard | } |
697 | 4fa0f5d2 | bellard | break;
|
698 | 4fa0f5d2 | bellard | default:
|
699 | 4fa0f5d2 | bellard | break;
|
700 | 4fa0f5d2 | bellard | } |
701 | 4fa0f5d2 | bellard | } |
702 | 4fa0f5d2 | bellard | } |
703 | 4fa0f5d2 | bellard | #endif
|
704 | 4fa0f5d2 | bellard | |
705 | e89f66ec | bellard | /* called for accesses between 0xa0000 and 0xc0000 */
|
706 | c227f099 | Anthony Liguori | uint32_t vga_mem_readb(void *opaque, target_phys_addr_t addr)
|
707 | e89f66ec | bellard | { |
708 | cedd91d2 | Juan Quintela | VGACommonState *s = opaque; |
709 | e89f66ec | bellard | int memory_map_mode, plane;
|
710 | e89f66ec | bellard | uint32_t ret; |
711 | 3b46e624 | ths | |
712 | e89f66ec | bellard | /* convert to VGA memory offset */
|
713 | e89f66ec | bellard | memory_map_mode = (s->gr[6] >> 2) & 3; |
714 | 26aa7d72 | bellard | addr &= 0x1ffff;
|
715 | e89f66ec | bellard | switch(memory_map_mode) {
|
716 | e89f66ec | bellard | case 0: |
717 | e89f66ec | bellard | break;
|
718 | e89f66ec | bellard | case 1: |
719 | 26aa7d72 | bellard | if (addr >= 0x10000) |
720 | e89f66ec | bellard | return 0xff; |
721 | cae61cef | bellard | addr += s->bank_offset; |
722 | e89f66ec | bellard | break;
|
723 | e89f66ec | bellard | case 2: |
724 | 26aa7d72 | bellard | addr -= 0x10000;
|
725 | e89f66ec | bellard | if (addr >= 0x8000) |
726 | e89f66ec | bellard | return 0xff; |
727 | e89f66ec | bellard | break;
|
728 | e89f66ec | bellard | default:
|
729 | e89f66ec | bellard | case 3: |
730 | 26aa7d72 | bellard | addr -= 0x18000;
|
731 | c92b2e84 | bellard | if (addr >= 0x8000) |
732 | c92b2e84 | bellard | return 0xff; |
733 | e89f66ec | bellard | break;
|
734 | e89f66ec | bellard | } |
735 | 3b46e624 | ths | |
736 | e89f66ec | bellard | if (s->sr[4] & 0x08) { |
737 | e89f66ec | bellard | /* chain 4 mode : simplest access */
|
738 | e89f66ec | bellard | ret = s->vram_ptr[addr]; |
739 | e89f66ec | bellard | } else if (s->gr[5] & 0x10) { |
740 | e89f66ec | bellard | /* odd/even mode (aka text mode mapping) */
|
741 | e89f66ec | bellard | plane = (s->gr[4] & 2) | (addr & 1); |
742 | e89f66ec | bellard | ret = s->vram_ptr[((addr & ~1) << 1) | plane]; |
743 | e89f66ec | bellard | } else {
|
744 | e89f66ec | bellard | /* standard VGA latched access */
|
745 | e89f66ec | bellard | s->latch = ((uint32_t *)s->vram_ptr)[addr]; |
746 | e89f66ec | bellard | |
747 | e89f66ec | bellard | if (!(s->gr[5] & 0x08)) { |
748 | e89f66ec | bellard | /* read mode 0 */
|
749 | e89f66ec | bellard | plane = s->gr[4];
|
750 | b8ed223b | bellard | ret = GET_PLANE(s->latch, plane); |
751 | e89f66ec | bellard | } else {
|
752 | e89f66ec | bellard | /* read mode 1 */
|
753 | e89f66ec | bellard | ret = (s->latch ^ mask16[s->gr[2]]) & mask16[s->gr[7]]; |
754 | e89f66ec | bellard | ret |= ret >> 16;
|
755 | e89f66ec | bellard | ret |= ret >> 8;
|
756 | e89f66ec | bellard | ret = (~ret) & 0xff;
|
757 | e89f66ec | bellard | } |
758 | e89f66ec | bellard | } |
759 | e89f66ec | bellard | return ret;
|
760 | e89f66ec | bellard | } |
761 | e89f66ec | bellard | |
762 | c227f099 | Anthony Liguori | static uint32_t vga_mem_readw(void *opaque, target_phys_addr_t addr) |
763 | e89f66ec | bellard | { |
764 | e89f66ec | bellard | uint32_t v; |
765 | 09a79b49 | bellard | #ifdef TARGET_WORDS_BIGENDIAN
|
766 | a4193c8a | bellard | v = vga_mem_readb(opaque, addr) << 8;
|
767 | a4193c8a | bellard | v |= vga_mem_readb(opaque, addr + 1);
|
768 | 09a79b49 | bellard | #else
|
769 | a4193c8a | bellard | v = vga_mem_readb(opaque, addr); |
770 | a4193c8a | bellard | v |= vga_mem_readb(opaque, addr + 1) << 8; |
771 | 09a79b49 | bellard | #endif
|
772 | e89f66ec | bellard | return v;
|
773 | e89f66ec | bellard | } |
774 | e89f66ec | bellard | |
775 | c227f099 | Anthony Liguori | static uint32_t vga_mem_readl(void *opaque, target_phys_addr_t addr) |
776 | e89f66ec | bellard | { |
777 | e89f66ec | bellard | uint32_t v; |
778 | 09a79b49 | bellard | #ifdef TARGET_WORDS_BIGENDIAN
|
779 | a4193c8a | bellard | v = vga_mem_readb(opaque, addr) << 24;
|
780 | a4193c8a | bellard | v |= vga_mem_readb(opaque, addr + 1) << 16; |
781 | a4193c8a | bellard | v |= vga_mem_readb(opaque, addr + 2) << 8; |
782 | a4193c8a | bellard | v |= vga_mem_readb(opaque, addr + 3);
|
783 | 09a79b49 | bellard | #else
|
784 | a4193c8a | bellard | v = vga_mem_readb(opaque, addr); |
785 | a4193c8a | bellard | v |= vga_mem_readb(opaque, addr + 1) << 8; |
786 | a4193c8a | bellard | v |= vga_mem_readb(opaque, addr + 2) << 16; |
787 | a4193c8a | bellard | v |= vga_mem_readb(opaque, addr + 3) << 24; |
788 | 09a79b49 | bellard | #endif
|
789 | e89f66ec | bellard | return v;
|
790 | e89f66ec | bellard | } |
791 | e89f66ec | bellard | |
792 | e89f66ec | bellard | /* called for accesses between 0xa0000 and 0xc0000 */
|
793 | c227f099 | Anthony Liguori | void vga_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val) |
794 | e89f66ec | bellard | { |
795 | cedd91d2 | Juan Quintela | VGACommonState *s = opaque; |
796 | 546fa6ab | bellard | int memory_map_mode, plane, write_mode, b, func_select, mask;
|
797 | e89f66ec | bellard | uint32_t write_mask, bit_mask, set_mask; |
798 | e89f66ec | bellard | |
799 | 17b0018b | bellard | #ifdef DEBUG_VGA_MEM
|
800 | 0bf9e31a | Blue Swirl | printf("vga: [0x" TARGET_FMT_plx "] = 0x%02x\n", addr, val); |
801 | e89f66ec | bellard | #endif
|
802 | e89f66ec | bellard | /* convert to VGA memory offset */
|
803 | e89f66ec | bellard | memory_map_mode = (s->gr[6] >> 2) & 3; |
804 | 26aa7d72 | bellard | addr &= 0x1ffff;
|
805 | e89f66ec | bellard | switch(memory_map_mode) {
|
806 | e89f66ec | bellard | case 0: |
807 | e89f66ec | bellard | break;
|
808 | e89f66ec | bellard | case 1: |
809 | 26aa7d72 | bellard | if (addr >= 0x10000) |
810 | e89f66ec | bellard | return;
|
811 | cae61cef | bellard | addr += s->bank_offset; |
812 | e89f66ec | bellard | break;
|
813 | e89f66ec | bellard | case 2: |
814 | 26aa7d72 | bellard | addr -= 0x10000;
|
815 | e89f66ec | bellard | if (addr >= 0x8000) |
816 | e89f66ec | bellard | return;
|
817 | e89f66ec | bellard | break;
|
818 | e89f66ec | bellard | default:
|
819 | e89f66ec | bellard | case 3: |
820 | 26aa7d72 | bellard | addr -= 0x18000;
|
821 | c92b2e84 | bellard | if (addr >= 0x8000) |
822 | c92b2e84 | bellard | return;
|
823 | e89f66ec | bellard | break;
|
824 | e89f66ec | bellard | } |
825 | 3b46e624 | ths | |
826 | e89f66ec | bellard | if (s->sr[4] & 0x08) { |
827 | e89f66ec | bellard | /* chain 4 mode : simplest access */
|
828 | e89f66ec | bellard | plane = addr & 3;
|
829 | 546fa6ab | bellard | mask = (1 << plane);
|
830 | 546fa6ab | bellard | if (s->sr[2] & mask) { |
831 | e89f66ec | bellard | s->vram_ptr[addr] = val; |
832 | 17b0018b | bellard | #ifdef DEBUG_VGA_MEM
|
833 | 0bf9e31a | Blue Swirl | printf("vga: chain4: [0x" TARGET_FMT_plx "]\n", addr); |
834 | e89f66ec | bellard | #endif
|
835 | 546fa6ab | bellard | s->plane_updated |= mask; /* only used to detect font change */
|
836 | 4fa0f5d2 | bellard | cpu_physical_memory_set_dirty(s->vram_offset + addr); |
837 | e89f66ec | bellard | } |
838 | e89f66ec | bellard | } else if (s->gr[5] & 0x10) { |
839 | e89f66ec | bellard | /* odd/even mode (aka text mode mapping) */
|
840 | e89f66ec | bellard | plane = (s->gr[4] & 2) | (addr & 1); |
841 | 546fa6ab | bellard | mask = (1 << plane);
|
842 | 546fa6ab | bellard | if (s->sr[2] & mask) { |
843 | e89f66ec | bellard | addr = ((addr & ~1) << 1) | plane; |
844 | e89f66ec | bellard | s->vram_ptr[addr] = val; |
845 | 17b0018b | bellard | #ifdef DEBUG_VGA_MEM
|
846 | 0bf9e31a | Blue Swirl | printf("vga: odd/even: [0x" TARGET_FMT_plx "]\n", addr); |
847 | e89f66ec | bellard | #endif
|
848 | 546fa6ab | bellard | s->plane_updated |= mask; /* only used to detect font change */
|
849 | 4fa0f5d2 | bellard | cpu_physical_memory_set_dirty(s->vram_offset + addr); |
850 | e89f66ec | bellard | } |
851 | e89f66ec | bellard | } else {
|
852 | e89f66ec | bellard | /* standard VGA latched access */
|
853 | e89f66ec | bellard | write_mode = s->gr[5] & 3; |
854 | e89f66ec | bellard | switch(write_mode) {
|
855 | e89f66ec | bellard | default:
|
856 | e89f66ec | bellard | case 0: |
857 | e89f66ec | bellard | /* rotate */
|
858 | e89f66ec | bellard | b = s->gr[3] & 7; |
859 | e89f66ec | bellard | val = ((val >> b) | (val << (8 - b))) & 0xff; |
860 | e89f66ec | bellard | val |= val << 8;
|
861 | e89f66ec | bellard | val |= val << 16;
|
862 | e89f66ec | bellard | |
863 | e89f66ec | bellard | /* apply set/reset mask */
|
864 | e89f66ec | bellard | set_mask = mask16[s->gr[1]];
|
865 | e89f66ec | bellard | val = (val & ~set_mask) | (mask16[s->gr[0]] & set_mask);
|
866 | e89f66ec | bellard | bit_mask = s->gr[8];
|
867 | e89f66ec | bellard | break;
|
868 | e89f66ec | bellard | case 1: |
869 | e89f66ec | bellard | val = s->latch; |
870 | e89f66ec | bellard | goto do_write;
|
871 | e89f66ec | bellard | case 2: |
872 | e89f66ec | bellard | val = mask16[val & 0x0f];
|
873 | e89f66ec | bellard | bit_mask = s->gr[8];
|
874 | e89f66ec | bellard | break;
|
875 | e89f66ec | bellard | case 3: |
876 | e89f66ec | bellard | /* rotate */
|
877 | e89f66ec | bellard | b = s->gr[3] & 7; |
878 | a41bc9af | bellard | val = (val >> b) | (val << (8 - b));
|
879 | e89f66ec | bellard | |
880 | e89f66ec | bellard | bit_mask = s->gr[8] & val;
|
881 | e89f66ec | bellard | val = mask16[s->gr[0]];
|
882 | e89f66ec | bellard | break;
|
883 | e89f66ec | bellard | } |
884 | e89f66ec | bellard | |
885 | e89f66ec | bellard | /* apply logical operation */
|
886 | e89f66ec | bellard | func_select = s->gr[3] >> 3; |
887 | e89f66ec | bellard | switch(func_select) {
|
888 | e89f66ec | bellard | case 0: |
889 | e89f66ec | bellard | default:
|
890 | e89f66ec | bellard | /* nothing to do */
|
891 | e89f66ec | bellard | break;
|
892 | e89f66ec | bellard | case 1: |
893 | e89f66ec | bellard | /* and */
|
894 | e89f66ec | bellard | val &= s->latch; |
895 | e89f66ec | bellard | break;
|
896 | e89f66ec | bellard | case 2: |
897 | e89f66ec | bellard | /* or */
|
898 | e89f66ec | bellard | val |= s->latch; |
899 | e89f66ec | bellard | break;
|
900 | e89f66ec | bellard | case 3: |
901 | e89f66ec | bellard | /* xor */
|
902 | e89f66ec | bellard | val ^= s->latch; |
903 | e89f66ec | bellard | break;
|
904 | e89f66ec | bellard | } |
905 | e89f66ec | bellard | |
906 | e89f66ec | bellard | /* apply bit mask */
|
907 | e89f66ec | bellard | bit_mask |= bit_mask << 8;
|
908 | e89f66ec | bellard | bit_mask |= bit_mask << 16;
|
909 | e89f66ec | bellard | val = (val & bit_mask) | (s->latch & ~bit_mask); |
910 | e89f66ec | bellard | |
911 | e89f66ec | bellard | do_write:
|
912 | e89f66ec | bellard | /* mask data according to sr[2] */
|
913 | 546fa6ab | bellard | mask = s->sr[2];
|
914 | 546fa6ab | bellard | s->plane_updated |= mask; /* only used to detect font change */
|
915 | 546fa6ab | bellard | write_mask = mask16[mask]; |
916 | 5fafdf24 | ths | ((uint32_t *)s->vram_ptr)[addr] = |
917 | 5fafdf24 | ths | (((uint32_t *)s->vram_ptr)[addr] & ~write_mask) | |
918 | e89f66ec | bellard | (val & write_mask); |
919 | 17b0018b | bellard | #ifdef DEBUG_VGA_MEM
|
920 | 0bf9e31a | Blue Swirl | printf("vga: latch: [0x" TARGET_FMT_plx "] mask=0x%08x val=0x%08x\n", |
921 | 0bf9e31a | Blue Swirl | addr * 4, write_mask, val);
|
922 | e89f66ec | bellard | #endif
|
923 | 0bf9e31a | Blue Swirl | cpu_physical_memory_set_dirty(s->vram_offset + (addr << 2));
|
924 | e89f66ec | bellard | } |
925 | e89f66ec | bellard | } |
926 | e89f66ec | bellard | |
927 | c227f099 | Anthony Liguori | static void vga_mem_writew(void *opaque, target_phys_addr_t addr, uint32_t val) |
928 | e89f66ec | bellard | { |
929 | 09a79b49 | bellard | #ifdef TARGET_WORDS_BIGENDIAN
|
930 | a4193c8a | bellard | vga_mem_writeb(opaque, addr, (val >> 8) & 0xff); |
931 | a4193c8a | bellard | vga_mem_writeb(opaque, addr + 1, val & 0xff); |
932 | 09a79b49 | bellard | #else
|
933 | a4193c8a | bellard | vga_mem_writeb(opaque, addr, val & 0xff);
|
934 | a4193c8a | bellard | vga_mem_writeb(opaque, addr + 1, (val >> 8) & 0xff); |
935 | 09a79b49 | bellard | #endif
|
936 | e89f66ec | bellard | } |
937 | e89f66ec | bellard | |
938 | c227f099 | Anthony Liguori | static void vga_mem_writel(void *opaque, target_phys_addr_t addr, uint32_t val) |
939 | e89f66ec | bellard | { |
940 | 09a79b49 | bellard | #ifdef TARGET_WORDS_BIGENDIAN
|
941 | a4193c8a | bellard | vga_mem_writeb(opaque, addr, (val >> 24) & 0xff); |
942 | a4193c8a | bellard | vga_mem_writeb(opaque, addr + 1, (val >> 16) & 0xff); |
943 | a4193c8a | bellard | vga_mem_writeb(opaque, addr + 2, (val >> 8) & 0xff); |
944 | a4193c8a | bellard | vga_mem_writeb(opaque, addr + 3, val & 0xff); |
945 | 09a79b49 | bellard | #else
|
946 | a4193c8a | bellard | vga_mem_writeb(opaque, addr, val & 0xff);
|
947 | a4193c8a | bellard | vga_mem_writeb(opaque, addr + 1, (val >> 8) & 0xff); |
948 | a4193c8a | bellard | vga_mem_writeb(opaque, addr + 2, (val >> 16) & 0xff); |
949 | a4193c8a | bellard | vga_mem_writeb(opaque, addr + 3, (val >> 24) & 0xff); |
950 | 09a79b49 | bellard | #endif
|
951 | e89f66ec | bellard | } |
952 | e89f66ec | bellard | |
953 | e89f66ec | bellard | typedef void vga_draw_glyph8_func(uint8_t *d, int linesize, |
954 | e89f66ec | bellard | const uint8_t *font_ptr, int h, |
955 | e89f66ec | bellard | uint32_t fgcol, uint32_t bgcol); |
956 | e89f66ec | bellard | typedef void vga_draw_glyph9_func(uint8_t *d, int linesize, |
957 | 5fafdf24 | ths | const uint8_t *font_ptr, int h, |
958 | e89f66ec | bellard | uint32_t fgcol, uint32_t bgcol, int dup9);
|
959 | cedd91d2 | Juan Quintela | typedef void vga_draw_line_func(VGACommonState *s1, uint8_t *d, |
960 | e89f66ec | bellard | const uint8_t *s, int width); |
961 | e89f66ec | bellard | |
962 | e89f66ec | bellard | #define DEPTH 8 |
963 | e89f66ec | bellard | #include "vga_template.h" |
964 | e89f66ec | bellard | |
965 | e89f66ec | bellard | #define DEPTH 15 |
966 | e89f66ec | bellard | #include "vga_template.h" |
967 | e89f66ec | bellard | |
968 | a2502b58 | blueswir1 | #define BGR_FORMAT
|
969 | a2502b58 | blueswir1 | #define DEPTH 15 |
970 | a2502b58 | blueswir1 | #include "vga_template.h" |
971 | a2502b58 | blueswir1 | |
972 | a2502b58 | blueswir1 | #define DEPTH 16 |
973 | a2502b58 | blueswir1 | #include "vga_template.h" |
974 | a2502b58 | blueswir1 | |
975 | a2502b58 | blueswir1 | #define BGR_FORMAT
|
976 | e89f66ec | bellard | #define DEPTH 16 |
977 | e89f66ec | bellard | #include "vga_template.h" |
978 | e89f66ec | bellard | |
979 | e89f66ec | bellard | #define DEPTH 32 |
980 | e89f66ec | bellard | #include "vga_template.h" |
981 | e89f66ec | bellard | |
982 | d3079cd2 | bellard | #define BGR_FORMAT
|
983 | d3079cd2 | bellard | #define DEPTH 32 |
984 | d3079cd2 | bellard | #include "vga_template.h" |
985 | d3079cd2 | bellard | |
986 | 17b0018b | bellard | static unsigned int rgb_to_pixel8_dup(unsigned int r, unsigned int g, unsigned b) |
987 | 17b0018b | bellard | { |
988 | 17b0018b | bellard | unsigned int col; |
989 | 17b0018b | bellard | col = rgb_to_pixel8(r, g, b); |
990 | 17b0018b | bellard | col |= col << 8;
|
991 | 17b0018b | bellard | col |= col << 16;
|
992 | 17b0018b | bellard | return col;
|
993 | 17b0018b | bellard | } |
994 | 17b0018b | bellard | |
995 | 17b0018b | bellard | static unsigned int rgb_to_pixel15_dup(unsigned int r, unsigned int g, unsigned b) |
996 | 17b0018b | bellard | { |
997 | 17b0018b | bellard | unsigned int col; |
998 | 17b0018b | bellard | col = rgb_to_pixel15(r, g, b); |
999 | 17b0018b | bellard | col |= col << 16;
|
1000 | 17b0018b | bellard | return col;
|
1001 | 17b0018b | bellard | } |
1002 | 17b0018b | bellard | |
1003 | b29169d2 | blueswir1 | static unsigned int rgb_to_pixel15bgr_dup(unsigned int r, unsigned int g, |
1004 | b29169d2 | blueswir1 | unsigned int b) |
1005 | b29169d2 | blueswir1 | { |
1006 | b29169d2 | blueswir1 | unsigned int col; |
1007 | b29169d2 | blueswir1 | col = rgb_to_pixel15bgr(r, g, b); |
1008 | b29169d2 | blueswir1 | col |= col << 16;
|
1009 | b29169d2 | blueswir1 | return col;
|
1010 | b29169d2 | blueswir1 | } |
1011 | b29169d2 | blueswir1 | |
1012 | 17b0018b | bellard | static unsigned int rgb_to_pixel16_dup(unsigned int r, unsigned int g, unsigned b) |
1013 | 17b0018b | bellard | { |
1014 | 17b0018b | bellard | unsigned int col; |
1015 | 17b0018b | bellard | col = rgb_to_pixel16(r, g, b); |
1016 | 17b0018b | bellard | col |= col << 16;
|
1017 | 17b0018b | bellard | return col;
|
1018 | 17b0018b | bellard | } |
1019 | 17b0018b | bellard | |
1020 | b29169d2 | blueswir1 | static unsigned int rgb_to_pixel16bgr_dup(unsigned int r, unsigned int g, |
1021 | b29169d2 | blueswir1 | unsigned int b) |
1022 | b29169d2 | blueswir1 | { |
1023 | b29169d2 | blueswir1 | unsigned int col; |
1024 | b29169d2 | blueswir1 | col = rgb_to_pixel16bgr(r, g, b); |
1025 | b29169d2 | blueswir1 | col |= col << 16;
|
1026 | b29169d2 | blueswir1 | return col;
|
1027 | b29169d2 | blueswir1 | } |
1028 | b29169d2 | blueswir1 | |
1029 | 17b0018b | bellard | static unsigned int rgb_to_pixel32_dup(unsigned int r, unsigned int g, unsigned b) |
1030 | 17b0018b | bellard | { |
1031 | 17b0018b | bellard | unsigned int col; |
1032 | 17b0018b | bellard | col = rgb_to_pixel32(r, g, b); |
1033 | 17b0018b | bellard | return col;
|
1034 | 17b0018b | bellard | } |
1035 | 17b0018b | bellard | |
1036 | d3079cd2 | bellard | static unsigned int rgb_to_pixel32bgr_dup(unsigned int r, unsigned int g, unsigned b) |
1037 | d3079cd2 | bellard | { |
1038 | d3079cd2 | bellard | unsigned int col; |
1039 | d3079cd2 | bellard | col = rgb_to_pixel32bgr(r, g, b); |
1040 | d3079cd2 | bellard | return col;
|
1041 | d3079cd2 | bellard | } |
1042 | d3079cd2 | bellard | |
1043 | e89f66ec | bellard | /* return true if the palette was modified */
|
1044 | cedd91d2 | Juan Quintela | static int update_palette16(VGACommonState *s) |
1045 | e89f66ec | bellard | { |
1046 | 17b0018b | bellard | int full_update, i;
|
1047 | e89f66ec | bellard | uint32_t v, col, *palette; |
1048 | e89f66ec | bellard | |
1049 | e89f66ec | bellard | full_update = 0;
|
1050 | e89f66ec | bellard | palette = s->last_palette; |
1051 | e89f66ec | bellard | for(i = 0; i < 16; i++) { |
1052 | e89f66ec | bellard | v = s->ar[i]; |
1053 | e89f66ec | bellard | if (s->ar[0x10] & 0x80) |
1054 | e89f66ec | bellard | v = ((s->ar[0x14] & 0xf) << 4) | (v & 0xf); |
1055 | e89f66ec | bellard | else
|
1056 | e89f66ec | bellard | v = ((s->ar[0x14] & 0xc) << 4) | (v & 0x3f); |
1057 | e89f66ec | bellard | v = v * 3;
|
1058 | 5fafdf24 | ths | col = s->rgb_to_pixel(c6_to_8(s->palette[v]), |
1059 | 5fafdf24 | ths | c6_to_8(s->palette[v + 1]),
|
1060 | 17b0018b | bellard | c6_to_8(s->palette[v + 2]));
|
1061 | 17b0018b | bellard | if (col != palette[i]) {
|
1062 | 17b0018b | bellard | full_update = 1;
|
1063 | 17b0018b | bellard | palette[i] = col; |
1064 | e89f66ec | bellard | } |
1065 | 17b0018b | bellard | } |
1066 | 17b0018b | bellard | return full_update;
|
1067 | 17b0018b | bellard | } |
1068 | 17b0018b | bellard | |
1069 | 17b0018b | bellard | /* return true if the palette was modified */
|
1070 | cedd91d2 | Juan Quintela | static int update_palette256(VGACommonState *s) |
1071 | 17b0018b | bellard | { |
1072 | 17b0018b | bellard | int full_update, i;
|
1073 | 17b0018b | bellard | uint32_t v, col, *palette; |
1074 | 17b0018b | bellard | |
1075 | 17b0018b | bellard | full_update = 0;
|
1076 | 17b0018b | bellard | palette = s->last_palette; |
1077 | 17b0018b | bellard | v = 0;
|
1078 | 17b0018b | bellard | for(i = 0; i < 256; i++) { |
1079 | 37dd208d | bellard | if (s->dac_8bit) {
|
1080 | 5fafdf24 | ths | col = s->rgb_to_pixel(s->palette[v], |
1081 | 5fafdf24 | ths | s->palette[v + 1],
|
1082 | 37dd208d | bellard | s->palette[v + 2]);
|
1083 | 37dd208d | bellard | } else {
|
1084 | 5fafdf24 | ths | col = s->rgb_to_pixel(c6_to_8(s->palette[v]), |
1085 | 5fafdf24 | ths | c6_to_8(s->palette[v + 1]),
|
1086 | 37dd208d | bellard | c6_to_8(s->palette[v + 2]));
|
1087 | 37dd208d | bellard | } |
1088 | e89f66ec | bellard | if (col != palette[i]) {
|
1089 | e89f66ec | bellard | full_update = 1;
|
1090 | e89f66ec | bellard | palette[i] = col; |
1091 | e89f66ec | bellard | } |
1092 | 17b0018b | bellard | v += 3;
|
1093 | e89f66ec | bellard | } |
1094 | e89f66ec | bellard | return full_update;
|
1095 | e89f66ec | bellard | } |
1096 | e89f66ec | bellard | |
1097 | cedd91d2 | Juan Quintela | static void vga_get_offsets(VGACommonState *s, |
1098 | 5fafdf24 | ths | uint32_t *pline_offset, |
1099 | 83acc96b | bellard | uint32_t *pstart_addr, |
1100 | 83acc96b | bellard | uint32_t *pline_compare) |
1101 | e89f66ec | bellard | { |
1102 | 83acc96b | bellard | uint32_t start_addr, line_offset, line_compare; |
1103 | 4fa0f5d2 | bellard | #ifdef CONFIG_BOCHS_VBE
|
1104 | 4fa0f5d2 | bellard | if (s->vbe_regs[VBE_DISPI_INDEX_ENABLE] & VBE_DISPI_ENABLED) {
|
1105 | 4fa0f5d2 | bellard | line_offset = s->vbe_line_offset; |
1106 | 4fa0f5d2 | bellard | start_addr = s->vbe_start_addr; |
1107 | 83acc96b | bellard | line_compare = 65535;
|
1108 | 4fa0f5d2 | bellard | } else
|
1109 | 4fa0f5d2 | bellard | #endif
|
1110 | 3b46e624 | ths | { |
1111 | 4fa0f5d2 | bellard | /* compute line_offset in bytes */
|
1112 | 4fa0f5d2 | bellard | line_offset = s->cr[0x13];
|
1113 | 4fa0f5d2 | bellard | line_offset <<= 3;
|
1114 | 08e48902 | bellard | |
1115 | 4fa0f5d2 | bellard | /* starting address */
|
1116 | 4fa0f5d2 | bellard | start_addr = s->cr[0x0d] | (s->cr[0x0c] << 8); |
1117 | 83acc96b | bellard | |
1118 | 83acc96b | bellard | /* line compare */
|
1119 | 5fafdf24 | ths | line_compare = s->cr[0x18] |
|
1120 | 83acc96b | bellard | ((s->cr[0x07] & 0x10) << 4) | |
1121 | 83acc96b | bellard | ((s->cr[0x09] & 0x40) << 3); |
1122 | 4fa0f5d2 | bellard | } |
1123 | 798b0c25 | bellard | *pline_offset = line_offset; |
1124 | 798b0c25 | bellard | *pstart_addr = start_addr; |
1125 | 83acc96b | bellard | *pline_compare = line_compare; |
1126 | 798b0c25 | bellard | } |
1127 | 798b0c25 | bellard | |
1128 | 798b0c25 | bellard | /* update start_addr and line_offset. Return TRUE if modified */
|
1129 | cedd91d2 | Juan Quintela | static int update_basic_params(VGACommonState *s) |
1130 | 798b0c25 | bellard | { |
1131 | 798b0c25 | bellard | int full_update;
|
1132 | 798b0c25 | bellard | uint32_t start_addr, line_offset, line_compare; |
1133 | 3b46e624 | ths | |
1134 | 798b0c25 | bellard | full_update = 0;
|
1135 | 798b0c25 | bellard | |
1136 | 83acc96b | bellard | s->get_offsets(s, &line_offset, &start_addr, &line_compare); |
1137 | e89f66ec | bellard | |
1138 | e89f66ec | bellard | if (line_offset != s->line_offset ||
|
1139 | e89f66ec | bellard | start_addr != s->start_addr || |
1140 | e89f66ec | bellard | line_compare != s->line_compare) { |
1141 | e89f66ec | bellard | s->line_offset = line_offset; |
1142 | e89f66ec | bellard | s->start_addr = start_addr; |
1143 | e89f66ec | bellard | s->line_compare = line_compare; |
1144 | e89f66ec | bellard | full_update = 1;
|
1145 | e89f66ec | bellard | } |
1146 | e89f66ec | bellard | return full_update;
|
1147 | e89f66ec | bellard | } |
1148 | e89f66ec | bellard | |
1149 | b29169d2 | blueswir1 | #define NB_DEPTHS 7 |
1150 | d3079cd2 | bellard | |
1151 | d3079cd2 | bellard | static inline int get_depth_index(DisplayState *s) |
1152 | e89f66ec | bellard | { |
1153 | 0e1f5a0c | aliguori | switch(ds_get_bits_per_pixel(s)) {
|
1154 | e89f66ec | bellard | default:
|
1155 | e89f66ec | bellard | case 8: |
1156 | e89f66ec | bellard | return 0; |
1157 | e89f66ec | bellard | case 15: |
1158 | 8927bcfd | aliguori | return 1; |
1159 | e89f66ec | bellard | case 16: |
1160 | 8927bcfd | aliguori | return 2; |
1161 | e89f66ec | bellard | case 32: |
1162 | 7b5d76da | aliguori | if (is_surface_bgr(s->surface))
|
1163 | 7b5d76da | aliguori | return 4; |
1164 | 7b5d76da | aliguori | else
|
1165 | 7b5d76da | aliguori | return 3; |
1166 | e89f66ec | bellard | } |
1167 | e89f66ec | bellard | } |
1168 | e89f66ec | bellard | |
1169 | d3079cd2 | bellard | static vga_draw_glyph8_func *vga_draw_glyph8_table[NB_DEPTHS] = {
|
1170 | e89f66ec | bellard | vga_draw_glyph8_8, |
1171 | e89f66ec | bellard | vga_draw_glyph8_16, |
1172 | e89f66ec | bellard | vga_draw_glyph8_16, |
1173 | e89f66ec | bellard | vga_draw_glyph8_32, |
1174 | d3079cd2 | bellard | vga_draw_glyph8_32, |
1175 | b29169d2 | blueswir1 | vga_draw_glyph8_16, |
1176 | b29169d2 | blueswir1 | vga_draw_glyph8_16, |
1177 | e89f66ec | bellard | }; |
1178 | e89f66ec | bellard | |
1179 | d3079cd2 | bellard | static vga_draw_glyph8_func *vga_draw_glyph16_table[NB_DEPTHS] = {
|
1180 | 17b0018b | bellard | vga_draw_glyph16_8, |
1181 | 17b0018b | bellard | vga_draw_glyph16_16, |
1182 | 17b0018b | bellard | vga_draw_glyph16_16, |
1183 | 17b0018b | bellard | vga_draw_glyph16_32, |
1184 | d3079cd2 | bellard | vga_draw_glyph16_32, |
1185 | b29169d2 | blueswir1 | vga_draw_glyph16_16, |
1186 | b29169d2 | blueswir1 | vga_draw_glyph16_16, |
1187 | 17b0018b | bellard | }; |
1188 | 17b0018b | bellard | |
1189 | d3079cd2 | bellard | static vga_draw_glyph9_func *vga_draw_glyph9_table[NB_DEPTHS] = {
|
1190 | e89f66ec | bellard | vga_draw_glyph9_8, |
1191 | e89f66ec | bellard | vga_draw_glyph9_16, |
1192 | e89f66ec | bellard | vga_draw_glyph9_16, |
1193 | e89f66ec | bellard | vga_draw_glyph9_32, |
1194 | d3079cd2 | bellard | vga_draw_glyph9_32, |
1195 | b29169d2 | blueswir1 | vga_draw_glyph9_16, |
1196 | b29169d2 | blueswir1 | vga_draw_glyph9_16, |
1197 | e89f66ec | bellard | }; |
1198 | 3b46e624 | ths | |
1199 | e89f66ec | bellard | static const uint8_t cursor_glyph[32 * 4] = { |
1200 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1201 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1202 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1203 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1204 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1205 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1206 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1207 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1208 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1209 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1210 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1211 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1212 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1213 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1214 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1215 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1216 | 3b46e624 | ths | }; |
1217 | e89f66ec | bellard | |
1218 | cedd91d2 | Juan Quintela | static void vga_get_text_resolution(VGACommonState *s, int *pwidth, int *pheight, |
1219 | 4c5e8c5c | blueswir1 | int *pcwidth, int *pcheight) |
1220 | 4c5e8c5c | blueswir1 | { |
1221 | 4c5e8c5c | blueswir1 | int width, cwidth, height, cheight;
|
1222 | 4c5e8c5c | blueswir1 | |
1223 | 4c5e8c5c | blueswir1 | /* total width & height */
|
1224 | 4c5e8c5c | blueswir1 | cheight = (s->cr[9] & 0x1f) + 1; |
1225 | 4c5e8c5c | blueswir1 | cwidth = 8;
|
1226 | 4c5e8c5c | blueswir1 | if (!(s->sr[1] & 0x01)) |
1227 | 4c5e8c5c | blueswir1 | cwidth = 9;
|
1228 | 4c5e8c5c | blueswir1 | if (s->sr[1] & 0x08) |
1229 | 4c5e8c5c | blueswir1 | cwidth = 16; /* NOTE: no 18 pixel wide */ |
1230 | 4c5e8c5c | blueswir1 | width = (s->cr[0x01] + 1); |
1231 | 4c5e8c5c | blueswir1 | if (s->cr[0x06] == 100) { |
1232 | 4c5e8c5c | blueswir1 | /* ugly hack for CGA 160x100x16 - explain me the logic */
|
1233 | 4c5e8c5c | blueswir1 | height = 100;
|
1234 | 4c5e8c5c | blueswir1 | } else {
|
1235 | 4c5e8c5c | blueswir1 | height = s->cr[0x12] |
|
1236 | 4c5e8c5c | blueswir1 | ((s->cr[0x07] & 0x02) << 7) | |
1237 | 4c5e8c5c | blueswir1 | ((s->cr[0x07] & 0x40) << 3); |
1238 | 4c5e8c5c | blueswir1 | height = (height + 1) / cheight;
|
1239 | 4c5e8c5c | blueswir1 | } |
1240 | 4c5e8c5c | blueswir1 | |
1241 | 4c5e8c5c | blueswir1 | *pwidth = width; |
1242 | 4c5e8c5c | blueswir1 | *pheight = height; |
1243 | 4c5e8c5c | blueswir1 | *pcwidth = cwidth; |
1244 | 4c5e8c5c | blueswir1 | *pcheight = cheight; |
1245 | 4c5e8c5c | blueswir1 | } |
1246 | 4c5e8c5c | blueswir1 | |
1247 | 7d957bd8 | aliguori | typedef unsigned int rgb_to_pixel_dup_func(unsigned int r, unsigned int g, unsigned b); |
1248 | 7d957bd8 | aliguori | |
1249 | bdb19571 | aliguori | static rgb_to_pixel_dup_func *rgb_to_pixel_dup_table[NB_DEPTHS] = {
|
1250 | bdb19571 | aliguori | rgb_to_pixel8_dup, |
1251 | bdb19571 | aliguori | rgb_to_pixel15_dup, |
1252 | bdb19571 | aliguori | rgb_to_pixel16_dup, |
1253 | bdb19571 | aliguori | rgb_to_pixel32_dup, |
1254 | bdb19571 | aliguori | rgb_to_pixel32bgr_dup, |
1255 | bdb19571 | aliguori | rgb_to_pixel15bgr_dup, |
1256 | bdb19571 | aliguori | rgb_to_pixel16bgr_dup, |
1257 | bdb19571 | aliguori | }; |
1258 | 7d957bd8 | aliguori | |
1259 | 5fafdf24 | ths | /*
|
1260 | 5fafdf24 | ths | * Text mode update
|
1261 | e89f66ec | bellard | * Missing:
|
1262 | e89f66ec | bellard | * - double scan
|
1263 | 5fafdf24 | ths | * - double width
|
1264 | e89f66ec | bellard | * - underline
|
1265 | e89f66ec | bellard | * - flashing
|
1266 | e89f66ec | bellard | */
|
1267 | cedd91d2 | Juan Quintela | static void vga_draw_text(VGACommonState *s, int full_update) |
1268 | e89f66ec | bellard | { |
1269 | e89f66ec | bellard | int cx, cy, cheight, cw, ch, cattr, height, width, ch_attr;
|
1270 | cae334cd | malc | int cx_min, cx_max, linesize, x_incr, line, line1;
|
1271 | e89f66ec | bellard | uint32_t offset, fgcol, bgcol, v, cursor_offset; |
1272 | d1984194 | malc | uint8_t *d1, *d, *src, *dest, *cursor_ptr; |
1273 | e89f66ec | bellard | const uint8_t *font_ptr, *font_base[2]; |
1274 | e89f66ec | bellard | int dup9, line_offset, depth_index;
|
1275 | e89f66ec | bellard | uint32_t *palette; |
1276 | e89f66ec | bellard | uint32_t *ch_attr_ptr; |
1277 | e89f66ec | bellard | vga_draw_glyph8_func *vga_draw_glyph8; |
1278 | e89f66ec | bellard | vga_draw_glyph9_func *vga_draw_glyph9; |
1279 | e89f66ec | bellard | |
1280 | e89f66ec | bellard | /* compute font data address (in plane 2) */
|
1281 | e89f66ec | bellard | v = s->sr[3];
|
1282 | 1078f663 | bellard | offset = (((v >> 4) & 1) | ((v << 1) & 6)) * 8192 * 4 + 2; |
1283 | e89f66ec | bellard | if (offset != s->font_offsets[0]) { |
1284 | e89f66ec | bellard | s->font_offsets[0] = offset;
|
1285 | e89f66ec | bellard | full_update = 1;
|
1286 | e89f66ec | bellard | } |
1287 | e89f66ec | bellard | font_base[0] = s->vram_ptr + offset;
|
1288 | e89f66ec | bellard | |
1289 | 1078f663 | bellard | offset = (((v >> 5) & 1) | ((v >> 1) & 6)) * 8192 * 4 + 2; |
1290 | e89f66ec | bellard | font_base[1] = s->vram_ptr + offset;
|
1291 | e89f66ec | bellard | if (offset != s->font_offsets[1]) { |
1292 | e89f66ec | bellard | s->font_offsets[1] = offset;
|
1293 | e89f66ec | bellard | full_update = 1;
|
1294 | e89f66ec | bellard | } |
1295 | 546fa6ab | bellard | if (s->plane_updated & (1 << 2)) { |
1296 | 546fa6ab | bellard | /* if the plane 2 was modified since the last display, it
|
1297 | 546fa6ab | bellard | indicates the font may have been modified */
|
1298 | 546fa6ab | bellard | s->plane_updated = 0;
|
1299 | 546fa6ab | bellard | full_update = 1;
|
1300 | 546fa6ab | bellard | } |
1301 | 799e709b | aliguori | full_update |= update_basic_params(s); |
1302 | e89f66ec | bellard | |
1303 | e89f66ec | bellard | line_offset = s->line_offset; |
1304 | e89f66ec | bellard | |
1305 | 4c5e8c5c | blueswir1 | vga_get_text_resolution(s, &width, &height, &cw, &cheight); |
1306 | 0e1f5a0c | aliguori | x_incr = cw * ((ds_get_bits_per_pixel(s->ds) + 7) >> 3); |
1307 | 3294b949 | bellard | if ((height * width) > CH_ATTR_SIZE) {
|
1308 | 3294b949 | bellard | /* better than nothing: exit if transient size is too big */
|
1309 | 3294b949 | bellard | return;
|
1310 | 3294b949 | bellard | } |
1311 | 3294b949 | bellard | |
1312 | 799e709b | aliguori | if (width != s->last_width || height != s->last_height ||
|
1313 | 799e709b | aliguori | cw != s->last_cw || cheight != s->last_ch || s->last_depth) { |
1314 | 799e709b | aliguori | s->last_scr_width = width * cw; |
1315 | 799e709b | aliguori | s->last_scr_height = height * cheight; |
1316 | 799e709b | aliguori | qemu_console_resize(s->ds, s->last_scr_width, s->last_scr_height); |
1317 | 799e709b | aliguori | s->last_depth = 0;
|
1318 | 799e709b | aliguori | s->last_width = width; |
1319 | 799e709b | aliguori | s->last_height = height; |
1320 | 799e709b | aliguori | s->last_ch = cheight; |
1321 | 799e709b | aliguori | s->last_cw = cw; |
1322 | 799e709b | aliguori | full_update = 1;
|
1323 | 799e709b | aliguori | } |
1324 | 7d957bd8 | aliguori | s->rgb_to_pixel = |
1325 | 7d957bd8 | aliguori | rgb_to_pixel_dup_table[get_depth_index(s->ds)]; |
1326 | 7d957bd8 | aliguori | full_update |= update_palette16(s); |
1327 | 7d957bd8 | aliguori | palette = s->last_palette; |
1328 | 7d957bd8 | aliguori | x_incr = cw * ((ds_get_bits_per_pixel(s->ds) + 7) >> 3); |
1329 | 7d957bd8 | aliguori | |
1330 | e89f66ec | bellard | cursor_offset = ((s->cr[0x0e] << 8) | s->cr[0x0f]) - s->start_addr; |
1331 | e89f66ec | bellard | if (cursor_offset != s->cursor_offset ||
|
1332 | e89f66ec | bellard | s->cr[0xa] != s->cursor_start ||
|
1333 | e89f66ec | bellard | s->cr[0xb] != s->cursor_end) {
|
1334 | e89f66ec | bellard | /* if the cursor position changed, we update the old and new
|
1335 | e89f66ec | bellard | chars */
|
1336 | e89f66ec | bellard | if (s->cursor_offset < CH_ATTR_SIZE)
|
1337 | e89f66ec | bellard | s->last_ch_attr[s->cursor_offset] = -1;
|
1338 | e89f66ec | bellard | if (cursor_offset < CH_ATTR_SIZE)
|
1339 | e89f66ec | bellard | s->last_ch_attr[cursor_offset] = -1;
|
1340 | e89f66ec | bellard | s->cursor_offset = cursor_offset; |
1341 | e89f66ec | bellard | s->cursor_start = s->cr[0xa];
|
1342 | e89f66ec | bellard | s->cursor_end = s->cr[0xb];
|
1343 | e89f66ec | bellard | } |
1344 | 39cf7803 | bellard | cursor_ptr = s->vram_ptr + (s->start_addr + cursor_offset) * 4;
|
1345 | 3b46e624 | ths | |
1346 | d3079cd2 | bellard | depth_index = get_depth_index(s->ds); |
1347 | 17b0018b | bellard | if (cw == 16) |
1348 | 17b0018b | bellard | vga_draw_glyph8 = vga_draw_glyph16_table[depth_index]; |
1349 | 17b0018b | bellard | else
|
1350 | 17b0018b | bellard | vga_draw_glyph8 = vga_draw_glyph8_table[depth_index]; |
1351 | e89f66ec | bellard | vga_draw_glyph9 = vga_draw_glyph9_table[depth_index]; |
1352 | 3b46e624 | ths | |
1353 | 0e1f5a0c | aliguori | dest = ds_get_data(s->ds); |
1354 | 0e1f5a0c | aliguori | linesize = ds_get_linesize(s->ds); |
1355 | e89f66ec | bellard | ch_attr_ptr = s->last_ch_attr; |
1356 | d1984194 | malc | line = 0;
|
1357 | d1984194 | malc | offset = s->start_addr * 4;
|
1358 | e89f66ec | bellard | for(cy = 0; cy < height; cy++) { |
1359 | e89f66ec | bellard | d1 = dest; |
1360 | d1984194 | malc | src = s->vram_ptr + offset; |
1361 | e89f66ec | bellard | cx_min = width; |
1362 | e89f66ec | bellard | cx_max = -1;
|
1363 | e89f66ec | bellard | for(cx = 0; cx < width; cx++) { |
1364 | e89f66ec | bellard | ch_attr = *(uint16_t *)src; |
1365 | e89f66ec | bellard | if (full_update || ch_attr != *ch_attr_ptr) {
|
1366 | e89f66ec | bellard | if (cx < cx_min)
|
1367 | e89f66ec | bellard | cx_min = cx; |
1368 | e89f66ec | bellard | if (cx > cx_max)
|
1369 | e89f66ec | bellard | cx_max = cx; |
1370 | e89f66ec | bellard | *ch_attr_ptr = ch_attr; |
1371 | e2542fe2 | Juan Quintela | #ifdef HOST_WORDS_BIGENDIAN
|
1372 | e89f66ec | bellard | ch = ch_attr >> 8;
|
1373 | e89f66ec | bellard | cattr = ch_attr & 0xff;
|
1374 | e89f66ec | bellard | #else
|
1375 | e89f66ec | bellard | ch = ch_attr & 0xff;
|
1376 | e89f66ec | bellard | cattr = ch_attr >> 8;
|
1377 | e89f66ec | bellard | #endif
|
1378 | e89f66ec | bellard | font_ptr = font_base[(cattr >> 3) & 1]; |
1379 | e89f66ec | bellard | font_ptr += 32 * 4 * ch; |
1380 | e89f66ec | bellard | bgcol = palette[cattr >> 4];
|
1381 | e89f66ec | bellard | fgcol = palette[cattr & 0x0f];
|
1382 | 17b0018b | bellard | if (cw != 9) { |
1383 | 5fafdf24 | ths | vga_draw_glyph8(d1, linesize, |
1384 | e89f66ec | bellard | font_ptr, cheight, fgcol, bgcol); |
1385 | e89f66ec | bellard | } else {
|
1386 | e89f66ec | bellard | dup9 = 0;
|
1387 | e89f66ec | bellard | if (ch >= 0xb0 && ch <= 0xdf && (s->ar[0x10] & 0x04)) |
1388 | e89f66ec | bellard | dup9 = 1;
|
1389 | 5fafdf24 | ths | vga_draw_glyph9(d1, linesize, |
1390 | e89f66ec | bellard | font_ptr, cheight, fgcol, bgcol, dup9); |
1391 | e89f66ec | bellard | } |
1392 | e89f66ec | bellard | if (src == cursor_ptr &&
|
1393 | e89f66ec | bellard | !(s->cr[0x0a] & 0x20)) { |
1394 | e89f66ec | bellard | int line_start, line_last, h;
|
1395 | e89f66ec | bellard | /* draw the cursor */
|
1396 | e89f66ec | bellard | line_start = s->cr[0x0a] & 0x1f; |
1397 | e89f66ec | bellard | line_last = s->cr[0x0b] & 0x1f; |
1398 | e89f66ec | bellard | /* XXX: check that */
|
1399 | e89f66ec | bellard | if (line_last > cheight - 1) |
1400 | e89f66ec | bellard | line_last = cheight - 1;
|
1401 | e89f66ec | bellard | if (line_last >= line_start && line_start < cheight) {
|
1402 | e89f66ec | bellard | h = line_last - line_start + 1;
|
1403 | e89f66ec | bellard | d = d1 + linesize * line_start; |
1404 | 17b0018b | bellard | if (cw != 9) { |
1405 | 5fafdf24 | ths | vga_draw_glyph8(d, linesize, |
1406 | e89f66ec | bellard | cursor_glyph, h, fgcol, bgcol); |
1407 | e89f66ec | bellard | } else {
|
1408 | 5fafdf24 | ths | vga_draw_glyph9(d, linesize, |
1409 | e89f66ec | bellard | cursor_glyph, h, fgcol, bgcol, 1);
|
1410 | e89f66ec | bellard | } |
1411 | e89f66ec | bellard | } |
1412 | e89f66ec | bellard | } |
1413 | e89f66ec | bellard | } |
1414 | e89f66ec | bellard | d1 += x_incr; |
1415 | e89f66ec | bellard | src += 4;
|
1416 | e89f66ec | bellard | ch_attr_ptr++; |
1417 | e89f66ec | bellard | } |
1418 | e89f66ec | bellard | if (cx_max != -1) { |
1419 | 5fafdf24 | ths | dpy_update(s->ds, cx_min * cw, cy * cheight, |
1420 | e89f66ec | bellard | (cx_max - cx_min + 1) * cw, cheight);
|
1421 | e89f66ec | bellard | } |
1422 | e89f66ec | bellard | dest += linesize * cheight; |
1423 | cae334cd | malc | line1 = line + cheight; |
1424 | cae334cd | malc | offset += line_offset; |
1425 | cae334cd | malc | if (line < s->line_compare && line1 >= s->line_compare) {
|
1426 | d1984194 | malc | offset = 0;
|
1427 | d1984194 | malc | } |
1428 | cae334cd | malc | line = line1; |
1429 | e89f66ec | bellard | } |
1430 | e89f66ec | bellard | } |
1431 | e89f66ec | bellard | |
1432 | 17b0018b | bellard | enum {
|
1433 | 17b0018b | bellard | VGA_DRAW_LINE2, |
1434 | 17b0018b | bellard | VGA_DRAW_LINE2D2, |
1435 | 17b0018b | bellard | VGA_DRAW_LINE4, |
1436 | 17b0018b | bellard | VGA_DRAW_LINE4D2, |
1437 | 17b0018b | bellard | VGA_DRAW_LINE8D2, |
1438 | 17b0018b | bellard | VGA_DRAW_LINE8, |
1439 | 17b0018b | bellard | VGA_DRAW_LINE15, |
1440 | 17b0018b | bellard | VGA_DRAW_LINE16, |
1441 | 4fa0f5d2 | bellard | VGA_DRAW_LINE24, |
1442 | 17b0018b | bellard | VGA_DRAW_LINE32, |
1443 | 17b0018b | bellard | VGA_DRAW_LINE_NB, |
1444 | 17b0018b | bellard | }; |
1445 | 17b0018b | bellard | |
1446 | d3079cd2 | bellard | static vga_draw_line_func *vga_draw_line_table[NB_DEPTHS * VGA_DRAW_LINE_NB] = {
|
1447 | e89f66ec | bellard | vga_draw_line2_8, |
1448 | e89f66ec | bellard | vga_draw_line2_16, |
1449 | e89f66ec | bellard | vga_draw_line2_16, |
1450 | e89f66ec | bellard | vga_draw_line2_32, |
1451 | d3079cd2 | bellard | vga_draw_line2_32, |
1452 | b29169d2 | blueswir1 | vga_draw_line2_16, |
1453 | b29169d2 | blueswir1 | vga_draw_line2_16, |
1454 | e89f66ec | bellard | |
1455 | 17b0018b | bellard | vga_draw_line2d2_8, |
1456 | 17b0018b | bellard | vga_draw_line2d2_16, |
1457 | 17b0018b | bellard | vga_draw_line2d2_16, |
1458 | 17b0018b | bellard | vga_draw_line2d2_32, |
1459 | d3079cd2 | bellard | vga_draw_line2d2_32, |
1460 | b29169d2 | blueswir1 | vga_draw_line2d2_16, |
1461 | b29169d2 | blueswir1 | vga_draw_line2d2_16, |
1462 | 17b0018b | bellard | |
1463 | e89f66ec | bellard | vga_draw_line4_8, |
1464 | e89f66ec | bellard | vga_draw_line4_16, |
1465 | e89f66ec | bellard | vga_draw_line4_16, |
1466 | e89f66ec | bellard | vga_draw_line4_32, |
1467 | d3079cd2 | bellard | vga_draw_line4_32, |
1468 | b29169d2 | blueswir1 | vga_draw_line4_16, |
1469 | b29169d2 | blueswir1 | vga_draw_line4_16, |
1470 | e89f66ec | bellard | |
1471 | 17b0018b | bellard | vga_draw_line4d2_8, |
1472 | 17b0018b | bellard | vga_draw_line4d2_16, |
1473 | 17b0018b | bellard | vga_draw_line4d2_16, |
1474 | 17b0018b | bellard | vga_draw_line4d2_32, |
1475 | d3079cd2 | bellard | vga_draw_line4d2_32, |
1476 | b29169d2 | blueswir1 | vga_draw_line4d2_16, |
1477 | b29169d2 | blueswir1 | vga_draw_line4d2_16, |
1478 | 17b0018b | bellard | |
1479 | 17b0018b | bellard | vga_draw_line8d2_8, |
1480 | 17b0018b | bellard | vga_draw_line8d2_16, |
1481 | 17b0018b | bellard | vga_draw_line8d2_16, |
1482 | 17b0018b | bellard | vga_draw_line8d2_32, |
1483 | d3079cd2 | bellard | vga_draw_line8d2_32, |
1484 | b29169d2 | blueswir1 | vga_draw_line8d2_16, |
1485 | b29169d2 | blueswir1 | vga_draw_line8d2_16, |
1486 | 17b0018b | bellard | |
1487 | e89f66ec | bellard | vga_draw_line8_8, |
1488 | e89f66ec | bellard | vga_draw_line8_16, |
1489 | e89f66ec | bellard | vga_draw_line8_16, |
1490 | e89f66ec | bellard | vga_draw_line8_32, |
1491 | d3079cd2 | bellard | vga_draw_line8_32, |
1492 | b29169d2 | blueswir1 | vga_draw_line8_16, |
1493 | b29169d2 | blueswir1 | vga_draw_line8_16, |
1494 | e89f66ec | bellard | |
1495 | e89f66ec | bellard | vga_draw_line15_8, |
1496 | e89f66ec | bellard | vga_draw_line15_15, |
1497 | e89f66ec | bellard | vga_draw_line15_16, |
1498 | e89f66ec | bellard | vga_draw_line15_32, |
1499 | d3079cd2 | bellard | vga_draw_line15_32bgr, |
1500 | b29169d2 | blueswir1 | vga_draw_line15_15bgr, |
1501 | b29169d2 | blueswir1 | vga_draw_line15_16bgr, |
1502 | e89f66ec | bellard | |
1503 | e89f66ec | bellard | vga_draw_line16_8, |
1504 | e89f66ec | bellard | vga_draw_line16_15, |
1505 | e89f66ec | bellard | vga_draw_line16_16, |
1506 | e89f66ec | bellard | vga_draw_line16_32, |
1507 | d3079cd2 | bellard | vga_draw_line16_32bgr, |
1508 | b29169d2 | blueswir1 | vga_draw_line16_15bgr, |
1509 | b29169d2 | blueswir1 | vga_draw_line16_16bgr, |
1510 | e89f66ec | bellard | |
1511 | 4fa0f5d2 | bellard | vga_draw_line24_8, |
1512 | 4fa0f5d2 | bellard | vga_draw_line24_15, |
1513 | 4fa0f5d2 | bellard | vga_draw_line24_16, |
1514 | 4fa0f5d2 | bellard | vga_draw_line24_32, |
1515 | d3079cd2 | bellard | vga_draw_line24_32bgr, |
1516 | b29169d2 | blueswir1 | vga_draw_line24_15bgr, |
1517 | b29169d2 | blueswir1 | vga_draw_line24_16bgr, |
1518 | 4fa0f5d2 | bellard | |
1519 | e89f66ec | bellard | vga_draw_line32_8, |
1520 | e89f66ec | bellard | vga_draw_line32_15, |
1521 | e89f66ec | bellard | vga_draw_line32_16, |
1522 | e89f66ec | bellard | vga_draw_line32_32, |
1523 | d3079cd2 | bellard | vga_draw_line32_32bgr, |
1524 | b29169d2 | blueswir1 | vga_draw_line32_15bgr, |
1525 | b29169d2 | blueswir1 | vga_draw_line32_16bgr, |
1526 | d3079cd2 | bellard | }; |
1527 | d3079cd2 | bellard | |
1528 | cedd91d2 | Juan Quintela | static int vga_get_bpp(VGACommonState *s) |
1529 | 798b0c25 | bellard | { |
1530 | 798b0c25 | bellard | int ret;
|
1531 | 798b0c25 | bellard | #ifdef CONFIG_BOCHS_VBE
|
1532 | 798b0c25 | bellard | if (s->vbe_regs[VBE_DISPI_INDEX_ENABLE] & VBE_DISPI_ENABLED) {
|
1533 | 798b0c25 | bellard | ret = s->vbe_regs[VBE_DISPI_INDEX_BPP]; |
1534 | 5fafdf24 | ths | } else
|
1535 | 798b0c25 | bellard | #endif
|
1536 | 798b0c25 | bellard | { |
1537 | 798b0c25 | bellard | ret = 0;
|
1538 | 798b0c25 | bellard | } |
1539 | 798b0c25 | bellard | return ret;
|
1540 | 798b0c25 | bellard | } |
1541 | 798b0c25 | bellard | |
1542 | cedd91d2 | Juan Quintela | static void vga_get_resolution(VGACommonState *s, int *pwidth, int *pheight) |
1543 | a130a41e | bellard | { |
1544 | a130a41e | bellard | int width, height;
|
1545 | 3b46e624 | ths | |
1546 | 8454df8b | bellard | #ifdef CONFIG_BOCHS_VBE
|
1547 | 8454df8b | bellard | if (s->vbe_regs[VBE_DISPI_INDEX_ENABLE] & VBE_DISPI_ENABLED) {
|
1548 | 8454df8b | bellard | width = s->vbe_regs[VBE_DISPI_INDEX_XRES]; |
1549 | 8454df8b | bellard | height = s->vbe_regs[VBE_DISPI_INDEX_YRES]; |
1550 | 5fafdf24 | ths | } else
|
1551 | 8454df8b | bellard | #endif
|
1552 | 8454df8b | bellard | { |
1553 | 8454df8b | bellard | width = (s->cr[0x01] + 1) * 8; |
1554 | 5fafdf24 | ths | height = s->cr[0x12] |
|
1555 | 5fafdf24 | ths | ((s->cr[0x07] & 0x02) << 7) | |
1556 | 8454df8b | bellard | ((s->cr[0x07] & 0x40) << 3); |
1557 | 8454df8b | bellard | height = (height + 1);
|
1558 | 8454df8b | bellard | } |
1559 | a130a41e | bellard | *pwidth = width; |
1560 | a130a41e | bellard | *pheight = height; |
1561 | a130a41e | bellard | } |
1562 | a130a41e | bellard | |
1563 | cedd91d2 | Juan Quintela | void vga_invalidate_scanlines(VGACommonState *s, int y1, int y2) |
1564 | a8aa669b | bellard | { |
1565 | a8aa669b | bellard | int y;
|
1566 | a8aa669b | bellard | if (y1 >= VGA_MAX_HEIGHT)
|
1567 | a8aa669b | bellard | return;
|
1568 | a8aa669b | bellard | if (y2 >= VGA_MAX_HEIGHT)
|
1569 | a8aa669b | bellard | y2 = VGA_MAX_HEIGHT; |
1570 | a8aa669b | bellard | for(y = y1; y < y2; y++) {
|
1571 | a8aa669b | bellard | s->invalidated_y_table[y >> 5] |= 1 << (y & 0x1f); |
1572 | a8aa669b | bellard | } |
1573 | a8aa669b | bellard | } |
1574 | a8aa669b | bellard | |
1575 | cedd91d2 | Juan Quintela | static void vga_sync_dirty_bitmap(VGACommonState *s) |
1576 | 2bec46dc | aliguori | { |
1577 | 2bec46dc | aliguori | if (s->map_addr)
|
1578 | 2bec46dc | aliguori | cpu_physical_sync_dirty_bitmap(s->map_addr, s->map_end); |
1579 | 2bec46dc | aliguori | |
1580 | 2bec46dc | aliguori | if (s->lfb_vram_mapped) {
|
1581 | 2bec46dc | aliguori | cpu_physical_sync_dirty_bitmap(isa_mem_base + 0xa0000, 0xa8000); |
1582 | 2bec46dc | aliguori | cpu_physical_sync_dirty_bitmap(isa_mem_base + 0xa8000, 0xb0000); |
1583 | 2bec46dc | aliguori | } |
1584 | f0138a63 | Anthony Liguori | |
1585 | f0138a63 | Anthony Liguori | #ifdef CONFIG_BOCHS_VBE
|
1586 | f0138a63 | Anthony Liguori | if (s->vbe_mapped) {
|
1587 | f0138a63 | Anthony Liguori | cpu_physical_sync_dirty_bitmap(VBE_DISPI_LFB_PHYSICAL_ADDRESS, |
1588 | f0138a63 | Anthony Liguori | VBE_DISPI_LFB_PHYSICAL_ADDRESS + s->vram_size); |
1589 | f0138a63 | Anthony Liguori | } |
1590 | f0138a63 | Anthony Liguori | #endif
|
1591 | f0138a63 | Anthony Liguori | |
1592 | 2bec46dc | aliguori | } |
1593 | 2bec46dc | aliguori | |
1594 | 50af3246 | Juan Quintela | void vga_dirty_log_start(VGACommonState *s)
|
1595 | 50af3246 | Juan Quintela | { |
1596 | 50af3246 | Juan Quintela | if (kvm_enabled() && s->map_addr)
|
1597 | 50af3246 | Juan Quintela | kvm_log_start(s->map_addr, s->map_end - s->map_addr); |
1598 | 50af3246 | Juan Quintela | |
1599 | 50af3246 | Juan Quintela | if (kvm_enabled() && s->lfb_vram_mapped) {
|
1600 | 50af3246 | Juan Quintela | kvm_log_start(isa_mem_base + 0xa0000, 0x8000); |
1601 | 50af3246 | Juan Quintela | kvm_log_start(isa_mem_base + 0xa8000, 0x8000); |
1602 | 50af3246 | Juan Quintela | } |
1603 | f0138a63 | Anthony Liguori | |
1604 | f0138a63 | Anthony Liguori | #ifdef CONFIG_BOCHS_VBE
|
1605 | f0138a63 | Anthony Liguori | if (kvm_enabled() && s->vbe_mapped) {
|
1606 | f0138a63 | Anthony Liguori | kvm_log_start(VBE_DISPI_LFB_PHYSICAL_ADDRESS, s->vram_size); |
1607 | f0138a63 | Anthony Liguori | } |
1608 | f0138a63 | Anthony Liguori | #endif
|
1609 | b5cc6e32 | Anthony Liguori | } |
1610 | b5cc6e32 | Anthony Liguori | |
1611 | b5cc6e32 | Anthony Liguori | void vga_dirty_log_stop(VGACommonState *s)
|
1612 | b5cc6e32 | Anthony Liguori | { |
1613 | b5cc6e32 | Anthony Liguori | if (kvm_enabled() && s->map_addr)
|
1614 | b5cc6e32 | Anthony Liguori | kvm_log_stop(s->map_addr, s->map_end - s->map_addr); |
1615 | b5cc6e32 | Anthony Liguori | |
1616 | b5cc6e32 | Anthony Liguori | if (kvm_enabled() && s->lfb_vram_mapped) {
|
1617 | b5cc6e32 | Anthony Liguori | kvm_log_stop(isa_mem_base + 0xa0000, 0x80000); |
1618 | b5cc6e32 | Anthony Liguori | kvm_log_stop(isa_mem_base + 0xa8000, 0x80000); |
1619 | b5cc6e32 | Anthony Liguori | } |
1620 | f0138a63 | Anthony Liguori | |
1621 | b5cc6e32 | Anthony Liguori | #ifdef CONFIG_BOCHS_VBE
|
1622 | b5cc6e32 | Anthony Liguori | if (kvm_enabled() && s->vbe_mapped) {
|
1623 | b5cc6e32 | Anthony Liguori | kvm_log_stop(VBE_DISPI_LFB_PHYSICAL_ADDRESS, s->vram_size); |
1624 | b5cc6e32 | Anthony Liguori | } |
1625 | b5cc6e32 | Anthony Liguori | #endif
|
1626 | b5cc6e32 | Anthony Liguori | } |
1627 | b5cc6e32 | Anthony Liguori | |
1628 | b5cc6e32 | Anthony Liguori | void vga_dirty_log_restart(VGACommonState *s)
|
1629 | b5cc6e32 | Anthony Liguori | { |
1630 | b5cc6e32 | Anthony Liguori | vga_dirty_log_stop(s); |
1631 | b5cc6e32 | Anthony Liguori | vga_dirty_log_start(s); |
1632 | 50af3246 | Juan Quintela | } |
1633 | 50af3246 | Juan Quintela | |
1634 | 799e709b | aliguori | /*
|
1635 | 799e709b | aliguori | * graphic modes
|
1636 | 799e709b | aliguori | */
|
1637 | cedd91d2 | Juan Quintela | static void vga_draw_graphic(VGACommonState *s, int full_update) |
1638 | e89f66ec | bellard | { |
1639 | 12c7e75a | Avi Kivity | int y1, y, update, linesize, y_start, double_scan, mask, depth;
|
1640 | 12c7e75a | Avi Kivity | int width, height, shift_control, line_offset, bwidth, bits;
|
1641 | c227f099 | Anthony Liguori | ram_addr_t page0, page1, page_min, page_max; |
1642 | a07cf92a | bellard | int disp_width, multi_scan, multi_run;
|
1643 | 799e709b | aliguori | uint8_t *d; |
1644 | 799e709b | aliguori | uint32_t v, addr1, addr; |
1645 | 799e709b | aliguori | vga_draw_line_func *vga_draw_line; |
1646 | 799e709b | aliguori | |
1647 | 799e709b | aliguori | full_update |= update_basic_params(s); |
1648 | 799e709b | aliguori | |
1649 | 799e709b | aliguori | if (!full_update)
|
1650 | 799e709b | aliguori | vga_sync_dirty_bitmap(s); |
1651 | 2bec46dc | aliguori | |
1652 | a130a41e | bellard | s->get_resolution(s, &width, &height); |
1653 | 17b0018b | bellard | disp_width = width; |
1654 | 09a79b49 | bellard | |
1655 | e89f66ec | bellard | shift_control = (s->gr[0x05] >> 5) & 3; |
1656 | f6c958c8 | bellard | double_scan = (s->cr[0x09] >> 7); |
1657 | 799e709b | aliguori | if (shift_control != 1) { |
1658 | 799e709b | aliguori | multi_scan = (((s->cr[0x09] & 0x1f) + 1) << double_scan) - 1; |
1659 | 799e709b | aliguori | } else {
|
1660 | 799e709b | aliguori | /* in CGA modes, multi_scan is ignored */
|
1661 | 799e709b | aliguori | /* XXX: is it correct ? */
|
1662 | 799e709b | aliguori | multi_scan = double_scan; |
1663 | 799e709b | aliguori | } |
1664 | 799e709b | aliguori | multi_run = multi_scan; |
1665 | 17b0018b | bellard | if (shift_control != s->shift_control ||
|
1666 | 17b0018b | bellard | double_scan != s->double_scan) { |
1667 | 799e709b | aliguori | full_update = 1;
|
1668 | e89f66ec | bellard | s->shift_control = shift_control; |
1669 | 17b0018b | bellard | s->double_scan = double_scan; |
1670 | e89f66ec | bellard | } |
1671 | 3b46e624 | ths | |
1672 | aba35a6c | malc | if (shift_control == 0) { |
1673 | aba35a6c | malc | if (s->sr[0x01] & 8) { |
1674 | aba35a6c | malc | disp_width <<= 1;
|
1675 | aba35a6c | malc | } |
1676 | aba35a6c | malc | } else if (shift_control == 1) { |
1677 | aba35a6c | malc | if (s->sr[0x01] & 8) { |
1678 | aba35a6c | malc | disp_width <<= 1;
|
1679 | aba35a6c | malc | } |
1680 | aba35a6c | malc | } |
1681 | aba35a6c | malc | |
1682 | 799e709b | aliguori | depth = s->get_bpp(s); |
1683 | e3697092 | aurel32 | if (s->line_offset != s->last_line_offset ||
|
1684 | e3697092 | aurel32 | disp_width != s->last_width || |
1685 | e3697092 | aurel32 | height != s->last_height || |
1686 | 799e709b | aliguori | s->last_depth != depth) { |
1687 | e2542fe2 | Juan Quintela | #if defined(HOST_WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN)
|
1688 | e3697092 | aurel32 | if (depth == 16 || depth == 32) { |
1689 | 0da2ea1b | malc | #else
|
1690 | 0da2ea1b | malc | if (depth == 32) { |
1691 | 0da2ea1b | malc | #endif
|
1692 | b8c18e4c | aliguori | qemu_free_displaysurface(s->ds); |
1693 | b8c18e4c | aliguori | s->ds->surface = qemu_create_displaysurface_from(disp_width, height, depth, |
1694 | b8c18e4c | aliguori | s->line_offset, |
1695 | b8c18e4c | aliguori | s->vram_ptr + (s->start_addr * 4));
|
1696 | e2542fe2 | Juan Quintela | #if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN)
|
1697 | b8c18e4c | aliguori | s->ds->surface->pf = qemu_different_endianness_pixelformat(depth); |
1698 | 0da2ea1b | malc | #endif
|
1699 | b8c18e4c | aliguori | dpy_resize(s->ds); |
1700 | e3697092 | aurel32 | } else {
|
1701 | e3697092 | aurel32 | qemu_console_resize(s->ds, disp_width, height); |
1702 | e3697092 | aurel32 | } |
1703 | e3697092 | aurel32 | s->last_scr_width = disp_width; |
1704 | e3697092 | aurel32 | s->last_scr_height = height; |
1705 | e3697092 | aurel32 | s->last_width = disp_width; |
1706 | e3697092 | aurel32 | s->last_height = height; |
1707 | e3697092 | aurel32 | s->last_line_offset = s->line_offset; |
1708 | e3697092 | aurel32 | s->last_depth = depth; |
1709 | 799e709b | aliguori | full_update = 1;
|
1710 | 799e709b | aliguori | } else if (is_buffer_shared(s->ds->surface) && |
1711 | e3697092 | aurel32 | (full_update || s->ds->surface->data != s->vram_ptr + (s->start_addr * 4))) {
|
1712 | e3697092 | aurel32 | s->ds->surface->data = s->vram_ptr + (s->start_addr * 4);
|
1713 | e3697092 | aurel32 | dpy_setdata(s->ds); |
1714 | e3697092 | aurel32 | } |
1715 | e3697092 | aurel32 | |
1716 | e3697092 | aurel32 | s->rgb_to_pixel = |
1717 | e3697092 | aurel32 | rgb_to_pixel_dup_table[get_depth_index(s->ds)]; |
1718 | e3697092 | aurel32 | |
1719 | 799e709b | aliguori | if (shift_control == 0) { |
1720 | 17b0018b | bellard | full_update |= update_palette16(s); |
1721 | 17b0018b | bellard | if (s->sr[0x01] & 8) { |
1722 | 17b0018b | bellard | v = VGA_DRAW_LINE4D2; |
1723 | 17b0018b | bellard | } else {
|
1724 | 17b0018b | bellard | v = VGA_DRAW_LINE4; |
1725 | 17b0018b | bellard | } |
1726 | 15342721 | aurel32 | bits = 4;
|
1727 | 799e709b | aliguori | } else if (shift_control == 1) { |
1728 | 17b0018b | bellard | full_update |= update_palette16(s); |
1729 | 17b0018b | bellard | if (s->sr[0x01] & 8) { |
1730 | 17b0018b | bellard | v = VGA_DRAW_LINE2D2; |
1731 | 17b0018b | bellard | } else {
|
1732 | 17b0018b | bellard | v = VGA_DRAW_LINE2; |
1733 | 17b0018b | bellard | } |
1734 | 15342721 | aurel32 | bits = 4;
|
1735 | 17b0018b | bellard | } else {
|
1736 | 798b0c25 | bellard | switch(s->get_bpp(s)) {
|
1737 | 798b0c25 | bellard | default:
|
1738 | 798b0c25 | bellard | case 0: |
1739 | 4fa0f5d2 | bellard | full_update |= update_palette256(s); |
1740 | 4fa0f5d2 | bellard | v = VGA_DRAW_LINE8D2; |
1741 | 15342721 | aurel32 | bits = 4;
|
1742 | 798b0c25 | bellard | break;
|
1743 | 798b0c25 | bellard | case 8: |
1744 | 798b0c25 | bellard | full_update |= update_palette256(s); |
1745 | 798b0c25 | bellard | v = VGA_DRAW_LINE8; |
1746 | 15342721 | aurel32 | bits = 8;
|
1747 | 798b0c25 | bellard | break;
|
1748 | 798b0c25 | bellard | case 15: |
1749 | 798b0c25 | bellard | v = VGA_DRAW_LINE15; |
1750 | 15342721 | aurel32 | bits = 16;
|
1751 | 798b0c25 | bellard | break;
|
1752 | 798b0c25 | bellard | case 16: |
1753 | 798b0c25 | bellard | v = VGA_DRAW_LINE16; |
1754 | 15342721 | aurel32 | bits = 16;
|
1755 | 798b0c25 | bellard | break;
|
1756 | 798b0c25 | bellard | case 24: |
1757 | 798b0c25 | bellard | v = VGA_DRAW_LINE24; |
1758 | 15342721 | aurel32 | bits = 24;
|
1759 | 798b0c25 | bellard | break;
|
1760 | 798b0c25 | bellard | case 32: |
1761 | 798b0c25 | bellard | v = VGA_DRAW_LINE32; |
1762 | 15342721 | aurel32 | bits = 32;
|
1763 | 798b0c25 | bellard | break;
|
1764 | 4fa0f5d2 | bellard | } |
1765 | 17b0018b | bellard | } |
1766 | d3079cd2 | bellard | vga_draw_line = vga_draw_line_table[v * NB_DEPTHS + get_depth_index(s->ds)]; |
1767 | 17b0018b | bellard | |
1768 | 7d957bd8 | aliguori | if (!is_buffer_shared(s->ds->surface) && s->cursor_invalidate)
|
1769 | a8aa669b | bellard | s->cursor_invalidate(s); |
1770 | 3b46e624 | ths | |
1771 | e89f66ec | bellard | line_offset = s->line_offset; |
1772 | 17b0018b | bellard | #if 0
|
1773 | f6c958c8 | bellard | printf("w=%d h=%d v=%d line_offset=%d cr[0x09]=0x%02x cr[0x17]=0x%02x linecmp=%d sr[0x01]=0x%02x\n",
|
1774 | 17b0018b | bellard | width, height, v, line_offset, s->cr[9], s->cr[0x17], s->line_compare, s->sr[0x01]);
|
1775 | 17b0018b | bellard | #endif
|
1776 | e89f66ec | bellard | addr1 = (s->start_addr * 4);
|
1777 | 15342721 | aurel32 | bwidth = (width * bits + 7) / 8; |
1778 | 39cf7803 | bellard | y_start = -1;
|
1779 | 12c7e75a | Avi Kivity | page_min = -1;
|
1780 | 12c7e75a | Avi Kivity | page_max = 0;
|
1781 | 0e1f5a0c | aliguori | d = ds_get_data(s->ds); |
1782 | 0e1f5a0c | aliguori | linesize = ds_get_linesize(s->ds); |
1783 | 17b0018b | bellard | y1 = 0;
|
1784 | e89f66ec | bellard | for(y = 0; y < height; y++) { |
1785 | e89f66ec | bellard | addr = addr1; |
1786 | 39cf7803 | bellard | if (!(s->cr[0x17] & 1)) { |
1787 | 17b0018b | bellard | int shift;
|
1788 | e89f66ec | bellard | /* CGA compatibility handling */
|
1789 | 17b0018b | bellard | shift = 14 + ((s->cr[0x17] >> 6) & 1); |
1790 | 17b0018b | bellard | addr = (addr & ~(1 << shift)) | ((y1 & 1) << shift); |
1791 | e89f66ec | bellard | } |
1792 | 39cf7803 | bellard | if (!(s->cr[0x17] & 2)) { |
1793 | 17b0018b | bellard | addr = (addr & ~0x8000) | ((y1 & 2) << 14); |
1794 | e89f66ec | bellard | } |
1795 | 4fa0f5d2 | bellard | page0 = s->vram_offset + (addr & TARGET_PAGE_MASK); |
1796 | 4fa0f5d2 | bellard | page1 = s->vram_offset + ((addr + bwidth - 1) & TARGET_PAGE_MASK);
|
1797 | 5fafdf24 | ths | update = full_update | |
1798 | 0a962c02 | bellard | cpu_physical_memory_get_dirty(page0, VGA_DIRTY_FLAG) | |
1799 | 0a962c02 | bellard | cpu_physical_memory_get_dirty(page1, VGA_DIRTY_FLAG); |
1800 | 4fa0f5d2 | bellard | if ((page1 - page0) > TARGET_PAGE_SIZE) {
|
1801 | 39cf7803 | bellard | /* if wide line, can use another page */
|
1802 | 5fafdf24 | ths | update |= cpu_physical_memory_get_dirty(page0 + TARGET_PAGE_SIZE, |
1803 | 0a962c02 | bellard | VGA_DIRTY_FLAG); |
1804 | 39cf7803 | bellard | } |
1805 | a8aa669b | bellard | /* explicit invalidation for the hardware cursor */
|
1806 | a8aa669b | bellard | update |= (s->invalidated_y_table[y >> 5] >> (y & 0x1f)) & 1; |
1807 | e89f66ec | bellard | if (update) {
|
1808 | 39cf7803 | bellard | if (y_start < 0) |
1809 | 39cf7803 | bellard | y_start = y; |
1810 | e89f66ec | bellard | if (page0 < page_min)
|
1811 | e89f66ec | bellard | page_min = page0; |
1812 | e89f66ec | bellard | if (page1 > page_max)
|
1813 | e89f66ec | bellard | page_max = page1; |
1814 | 7d957bd8 | aliguori | if (!(is_buffer_shared(s->ds->surface))) {
|
1815 | 7d957bd8 | aliguori | vga_draw_line(s, d, s->vram_ptr + addr, width); |
1816 | 7d957bd8 | aliguori | if (s->cursor_draw_line)
|
1817 | 7d957bd8 | aliguori | s->cursor_draw_line(s, d, y); |
1818 | 7d957bd8 | aliguori | } |
1819 | 39cf7803 | bellard | } else {
|
1820 | 39cf7803 | bellard | if (y_start >= 0) { |
1821 | 39cf7803 | bellard | /* flush to display */
|
1822 | 5fafdf24 | ths | dpy_update(s->ds, 0, y_start,
|
1823 | 799e709b | aliguori | disp_width, y - y_start); |
1824 | 39cf7803 | bellard | y_start = -1;
|
1825 | 39cf7803 | bellard | } |
1826 | e89f66ec | bellard | } |
1827 | a07cf92a | bellard | if (!multi_run) {
|
1828 | f6c958c8 | bellard | mask = (s->cr[0x17] & 3) ^ 3; |
1829 | f6c958c8 | bellard | if ((y1 & mask) == mask)
|
1830 | f6c958c8 | bellard | addr1 += line_offset; |
1831 | f6c958c8 | bellard | y1++; |
1832 | 799e709b | aliguori | multi_run = multi_scan; |
1833 | a07cf92a | bellard | } else {
|
1834 | a07cf92a | bellard | multi_run--; |
1835 | e89f66ec | bellard | } |
1836 | f6c958c8 | bellard | /* line compare acts on the displayed lines */
|
1837 | f6c958c8 | bellard | if (y == s->line_compare)
|
1838 | f6c958c8 | bellard | addr1 = 0;
|
1839 | e89f66ec | bellard | d += linesize; |
1840 | e89f66ec | bellard | } |
1841 | 39cf7803 | bellard | if (y_start >= 0) { |
1842 | 39cf7803 | bellard | /* flush to display */
|
1843 | 5fafdf24 | ths | dpy_update(s->ds, 0, y_start,
|
1844 | 799e709b | aliguori | disp_width, y - y_start); |
1845 | 39cf7803 | bellard | } |
1846 | e89f66ec | bellard | /* reset modified pages */
|
1847 | 12c7e75a | Avi Kivity | if (page_max >= page_min) {
|
1848 | 0a962c02 | bellard | cpu_physical_memory_reset_dirty(page_min, page_max + TARGET_PAGE_SIZE, |
1849 | 0a962c02 | bellard | VGA_DIRTY_FLAG); |
1850 | e89f66ec | bellard | } |
1851 | a8aa669b | bellard | memset(s->invalidated_y_table, 0, ((height + 31) >> 5) * 4); |
1852 | e89f66ec | bellard | } |
1853 | e89f66ec | bellard | |
1854 | cedd91d2 | Juan Quintela | static void vga_draw_blank(VGACommonState *s, int full_update) |
1855 | 2aebb3eb | bellard | { |
1856 | 2aebb3eb | bellard | int i, w, val;
|
1857 | 2aebb3eb | bellard | uint8_t *d; |
1858 | 2aebb3eb | bellard | |
1859 | 2aebb3eb | bellard | if (!full_update)
|
1860 | 2aebb3eb | bellard | return;
|
1861 | 2aebb3eb | bellard | if (s->last_scr_width <= 0 || s->last_scr_height <= 0) |
1862 | 2aebb3eb | bellard | return;
|
1863 | 2bec46dc | aliguori | |
1864 | 7d957bd8 | aliguori | s->rgb_to_pixel = |
1865 | 7d957bd8 | aliguori | rgb_to_pixel_dup_table[get_depth_index(s->ds)]; |
1866 | 0e1f5a0c | aliguori | if (ds_get_bits_per_pixel(s->ds) == 8) |
1867 | 2aebb3eb | bellard | val = s->rgb_to_pixel(0, 0, 0); |
1868 | 2aebb3eb | bellard | else
|
1869 | 2aebb3eb | bellard | val = 0;
|
1870 | 0e1f5a0c | aliguori | w = s->last_scr_width * ((ds_get_bits_per_pixel(s->ds) + 7) >> 3); |
1871 | 0e1f5a0c | aliguori | d = ds_get_data(s->ds); |
1872 | 2aebb3eb | bellard | for(i = 0; i < s->last_scr_height; i++) { |
1873 | 2aebb3eb | bellard | memset(d, val, w); |
1874 | 0e1f5a0c | aliguori | d += ds_get_linesize(s->ds); |
1875 | 2aebb3eb | bellard | } |
1876 | 5fafdf24 | ths | dpy_update(s->ds, 0, 0, |
1877 | 2aebb3eb | bellard | s->last_scr_width, s->last_scr_height); |
1878 | 2aebb3eb | bellard | } |
1879 | 2aebb3eb | bellard | |
1880 | 799e709b | aliguori | #define GMODE_TEXT 0 |
1881 | 799e709b | aliguori | #define GMODE_GRAPH 1 |
1882 | 799e709b | aliguori | #define GMODE_BLANK 2 |
1883 | 799e709b | aliguori | |
1884 | 95219897 | pbrook | static void vga_update_display(void *opaque) |
1885 | e89f66ec | bellard | { |
1886 | cedd91d2 | Juan Quintela | VGACommonState *s = opaque; |
1887 | 799e709b | aliguori | int full_update, graphic_mode;
|
1888 | e89f66ec | bellard | |
1889 | 0e1f5a0c | aliguori | if (ds_get_bits_per_pixel(s->ds) == 0) { |
1890 | 0f35920c | bellard | /* nothing to do */
|
1891 | 59a983b9 | bellard | } else {
|
1892 | 3098b9fd | Aurelien Jarno | full_update = 0;
|
1893 | 799e709b | aliguori | if (!(s->ar_index & 0x20)) { |
1894 | 799e709b | aliguori | graphic_mode = GMODE_BLANK; |
1895 | 799e709b | aliguori | } else {
|
1896 | 799e709b | aliguori | graphic_mode = s->gr[6] & 1; |
1897 | 799e709b | aliguori | } |
1898 | 799e709b | aliguori | if (graphic_mode != s->graphic_mode) {
|
1899 | 799e709b | aliguori | s->graphic_mode = graphic_mode; |
1900 | 799e709b | aliguori | full_update = 1;
|
1901 | 799e709b | aliguori | } |
1902 | 799e709b | aliguori | switch(graphic_mode) {
|
1903 | 2aebb3eb | bellard | case GMODE_TEXT:
|
1904 | e89f66ec | bellard | vga_draw_text(s, full_update); |
1905 | 2aebb3eb | bellard | break;
|
1906 | 2aebb3eb | bellard | case GMODE_GRAPH:
|
1907 | 2aebb3eb | bellard | vga_draw_graphic(s, full_update); |
1908 | 2aebb3eb | bellard | break;
|
1909 | 2aebb3eb | bellard | case GMODE_BLANK:
|
1910 | 2aebb3eb | bellard | default:
|
1911 | 2aebb3eb | bellard | vga_draw_blank(s, full_update); |
1912 | 2aebb3eb | bellard | break;
|
1913 | 2aebb3eb | bellard | } |
1914 | e89f66ec | bellard | } |
1915 | e89f66ec | bellard | } |
1916 | e89f66ec | bellard | |
1917 | a130a41e | bellard | /* force a full display refresh */
|
1918 | 95219897 | pbrook | static void vga_invalidate_display(void *opaque) |
1919 | a130a41e | bellard | { |
1920 | cedd91d2 | Juan Quintela | VGACommonState *s = opaque; |
1921 | 3b46e624 | ths | |
1922 | 3098b9fd | Aurelien Jarno | s->last_width = -1;
|
1923 | 3098b9fd | Aurelien Jarno | s->last_height = -1;
|
1924 | a130a41e | bellard | } |
1925 | a130a41e | bellard | |
1926 | 03a3e7ba | Juan Quintela | void vga_common_reset(VGACommonState *s)
|
1927 | e89f66ec | bellard | { |
1928 | 6e6b7363 | blueswir1 | s->lfb_addr = 0;
|
1929 | 6e6b7363 | blueswir1 | s->lfb_end = 0;
|
1930 | 6e6b7363 | blueswir1 | s->map_addr = 0;
|
1931 | 6e6b7363 | blueswir1 | s->map_end = 0;
|
1932 | 6e6b7363 | blueswir1 | s->lfb_vram_mapped = 0;
|
1933 | 6e6b7363 | blueswir1 | s->bios_offset = 0;
|
1934 | 6e6b7363 | blueswir1 | s->bios_size = 0;
|
1935 | 6e6b7363 | blueswir1 | s->sr_index = 0;
|
1936 | 6e6b7363 | blueswir1 | memset(s->sr, '\0', sizeof(s->sr)); |
1937 | 6e6b7363 | blueswir1 | s->gr_index = 0;
|
1938 | 6e6b7363 | blueswir1 | memset(s->gr, '\0', sizeof(s->gr)); |
1939 | 6e6b7363 | blueswir1 | s->ar_index = 0;
|
1940 | 6e6b7363 | blueswir1 | memset(s->ar, '\0', sizeof(s->ar)); |
1941 | 6e6b7363 | blueswir1 | s->ar_flip_flop = 0;
|
1942 | 6e6b7363 | blueswir1 | s->cr_index = 0;
|
1943 | 6e6b7363 | blueswir1 | memset(s->cr, '\0', sizeof(s->cr)); |
1944 | 6e6b7363 | blueswir1 | s->msr = 0;
|
1945 | 6e6b7363 | blueswir1 | s->fcr = 0;
|
1946 | 6e6b7363 | blueswir1 | s->st00 = 0;
|
1947 | 6e6b7363 | blueswir1 | s->st01 = 0;
|
1948 | 6e6b7363 | blueswir1 | s->dac_state = 0;
|
1949 | 6e6b7363 | blueswir1 | s->dac_sub_index = 0;
|
1950 | 6e6b7363 | blueswir1 | s->dac_read_index = 0;
|
1951 | 6e6b7363 | blueswir1 | s->dac_write_index = 0;
|
1952 | 6e6b7363 | blueswir1 | memset(s->dac_cache, '\0', sizeof(s->dac_cache)); |
1953 | 6e6b7363 | blueswir1 | s->dac_8bit = 0;
|
1954 | 6e6b7363 | blueswir1 | memset(s->palette, '\0', sizeof(s->palette)); |
1955 | 6e6b7363 | blueswir1 | s->bank_offset = 0;
|
1956 | 6e6b7363 | blueswir1 | #ifdef CONFIG_BOCHS_VBE
|
1957 | 6e6b7363 | blueswir1 | s->vbe_index = 0;
|
1958 | 6e6b7363 | blueswir1 | memset(s->vbe_regs, '\0', sizeof(s->vbe_regs)); |
1959 | 6e6b7363 | blueswir1 | s->vbe_regs[VBE_DISPI_INDEX_ID] = VBE_DISPI_ID0; |
1960 | 6e6b7363 | blueswir1 | s->vbe_start_addr = 0;
|
1961 | 6e6b7363 | blueswir1 | s->vbe_line_offset = 0;
|
1962 | 6e6b7363 | blueswir1 | s->vbe_bank_mask = (s->vram_size >> 16) - 1; |
1963 | 6e6b7363 | blueswir1 | #endif
|
1964 | 6e6b7363 | blueswir1 | memset(s->font_offsets, '\0', sizeof(s->font_offsets)); |
1965 | 799e709b | aliguori | s->graphic_mode = -1; /* force full update */ |
1966 | 6e6b7363 | blueswir1 | s->shift_control = 0;
|
1967 | 6e6b7363 | blueswir1 | s->double_scan = 0;
|
1968 | 6e6b7363 | blueswir1 | s->line_offset = 0;
|
1969 | 6e6b7363 | blueswir1 | s->line_compare = 0;
|
1970 | 6e6b7363 | blueswir1 | s->start_addr = 0;
|
1971 | 6e6b7363 | blueswir1 | s->plane_updated = 0;
|
1972 | 6e6b7363 | blueswir1 | s->last_cw = 0;
|
1973 | 6e6b7363 | blueswir1 | s->last_ch = 0;
|
1974 | 6e6b7363 | blueswir1 | s->last_width = 0;
|
1975 | 6e6b7363 | blueswir1 | s->last_height = 0;
|
1976 | 6e6b7363 | blueswir1 | s->last_scr_width = 0;
|
1977 | 6e6b7363 | blueswir1 | s->last_scr_height = 0;
|
1978 | 6e6b7363 | blueswir1 | s->cursor_start = 0;
|
1979 | 6e6b7363 | blueswir1 | s->cursor_end = 0;
|
1980 | 6e6b7363 | blueswir1 | s->cursor_offset = 0;
|
1981 | 6e6b7363 | blueswir1 | memset(s->invalidated_y_table, '\0', sizeof(s->invalidated_y_table)); |
1982 | 6e6b7363 | blueswir1 | memset(s->last_palette, '\0', sizeof(s->last_palette)); |
1983 | 6e6b7363 | blueswir1 | memset(s->last_ch_attr, '\0', sizeof(s->last_ch_attr)); |
1984 | 6e6b7363 | blueswir1 | switch (vga_retrace_method) {
|
1985 | 6e6b7363 | blueswir1 | case VGA_RETRACE_DUMB:
|
1986 | 6e6b7363 | blueswir1 | break;
|
1987 | 6e6b7363 | blueswir1 | case VGA_RETRACE_PRECISE:
|
1988 | 6e6b7363 | blueswir1 | memset(&s->retrace_info, 0, sizeof (s->retrace_info)); |
1989 | 6e6b7363 | blueswir1 | break;
|
1990 | 6e6b7363 | blueswir1 | } |
1991 | e89f66ec | bellard | } |
1992 | e89f66ec | bellard | |
1993 | 03a3e7ba | Juan Quintela | static void vga_reset(void *opaque) |
1994 | 03a3e7ba | Juan Quintela | { |
1995 | cedd91d2 | Juan Quintela | VGACommonState *s = opaque; |
1996 | 03a3e7ba | Juan Quintela | vga_common_reset(s); |
1997 | 03a3e7ba | Juan Quintela | } |
1998 | 03a3e7ba | Juan Quintela | |
1999 | 4d3b6f6e | balrog | #define TEXTMODE_X(x) ((x) % width)
|
2000 | 4d3b6f6e | balrog | #define TEXTMODE_Y(x) ((x) / width)
|
2001 | 4d3b6f6e | balrog | #define VMEM2CHTYPE(v) ((v & 0xff0007ff) | \ |
2002 | 4d3b6f6e | balrog | ((v & 0x00000800) << 10) | ((v & 0x00007000) >> 1)) |
2003 | 4d3b6f6e | balrog | /* relay text rendering to the display driver
|
2004 | 4d3b6f6e | balrog | * instead of doing a full vga_update_display() */
|
2005 | c227f099 | Anthony Liguori | static void vga_update_text(void *opaque, console_ch_t *chardata) |
2006 | 4d3b6f6e | balrog | { |
2007 | cedd91d2 | Juan Quintela | VGACommonState *s = opaque; |
2008 | 799e709b | aliguori | int graphic_mode, i, cursor_offset, cursor_visible;
|
2009 | 4d3b6f6e | balrog | int cw, cheight, width, height, size, c_min, c_max;
|
2010 | 4d3b6f6e | balrog | uint32_t *src; |
2011 | c227f099 | Anthony Liguori | console_ch_t *dst, val; |
2012 | 4d3b6f6e | balrog | char msg_buffer[80]; |
2013 | 799e709b | aliguori | int full_update = 0; |
2014 | 799e709b | aliguori | |
2015 | 799e709b | aliguori | if (!(s->ar_index & 0x20)) { |
2016 | 799e709b | aliguori | graphic_mode = GMODE_BLANK; |
2017 | 799e709b | aliguori | } else {
|
2018 | 799e709b | aliguori | graphic_mode = s->gr[6] & 1; |
2019 | 799e709b | aliguori | } |
2020 | 799e709b | aliguori | if (graphic_mode != s->graphic_mode) {
|
2021 | 799e709b | aliguori | s->graphic_mode = graphic_mode; |
2022 | 799e709b | aliguori | full_update = 1;
|
2023 | 799e709b | aliguori | } |
2024 | 799e709b | aliguori | if (s->last_width == -1) { |
2025 | 799e709b | aliguori | s->last_width = 0;
|
2026 | 799e709b | aliguori | full_update = 1;
|
2027 | 799e709b | aliguori | } |
2028 | 4d3b6f6e | balrog | |
2029 | 799e709b | aliguori | switch (graphic_mode) {
|
2030 | 4d3b6f6e | balrog | case GMODE_TEXT:
|
2031 | 4d3b6f6e | balrog | /* TODO: update palette */
|
2032 | 799e709b | aliguori | full_update |= update_basic_params(s); |
2033 | 4d3b6f6e | balrog | |
2034 | 799e709b | aliguori | /* total width & height */
|
2035 | 799e709b | aliguori | cheight = (s->cr[9] & 0x1f) + 1; |
2036 | 799e709b | aliguori | cw = 8;
|
2037 | 799e709b | aliguori | if (!(s->sr[1] & 0x01)) |
2038 | 799e709b | aliguori | cw = 9;
|
2039 | 799e709b | aliguori | if (s->sr[1] & 0x08) |
2040 | 799e709b | aliguori | cw = 16; /* NOTE: no 18 pixel wide */ |
2041 | 799e709b | aliguori | width = (s->cr[0x01] + 1); |
2042 | 799e709b | aliguori | if (s->cr[0x06] == 100) { |
2043 | 799e709b | aliguori | /* ugly hack for CGA 160x100x16 - explain me the logic */
|
2044 | 799e709b | aliguori | height = 100;
|
2045 | 799e709b | aliguori | } else {
|
2046 | 799e709b | aliguori | height = s->cr[0x12] |
|
2047 | 799e709b | aliguori | ((s->cr[0x07] & 0x02) << 7) | |
2048 | 799e709b | aliguori | ((s->cr[0x07] & 0x40) << 3); |
2049 | 799e709b | aliguori | height = (height + 1) / cheight;
|
2050 | 4d3b6f6e | balrog | } |
2051 | 4d3b6f6e | balrog | |
2052 | 4d3b6f6e | balrog | size = (height * width); |
2053 | 4d3b6f6e | balrog | if (size > CH_ATTR_SIZE) {
|
2054 | 4d3b6f6e | balrog | if (!full_update)
|
2055 | 4d3b6f6e | balrog | return;
|
2056 | 4d3b6f6e | balrog | |
2057 | 363a37d5 | blueswir1 | snprintf(msg_buffer, sizeof(msg_buffer), "%i x %i Text mode", |
2058 | 363a37d5 | blueswir1 | width, height); |
2059 | 4d3b6f6e | balrog | break;
|
2060 | 4d3b6f6e | balrog | } |
2061 | 4d3b6f6e | balrog | |
2062 | 799e709b | aliguori | if (width != s->last_width || height != s->last_height ||
|
2063 | 799e709b | aliguori | cw != s->last_cw || cheight != s->last_ch) { |
2064 | 799e709b | aliguori | s->last_scr_width = width * cw; |
2065 | 799e709b | aliguori | s->last_scr_height = height * cheight; |
2066 | 799e709b | aliguori | s->ds->surface->width = width; |
2067 | 799e709b | aliguori | s->ds->surface->height = height; |
2068 | 799e709b | aliguori | dpy_resize(s->ds); |
2069 | 799e709b | aliguori | s->last_width = width; |
2070 | 799e709b | aliguori | s->last_height = height; |
2071 | 799e709b | aliguori | s->last_ch = cheight; |
2072 | 799e709b | aliguori | s->last_cw = cw; |
2073 | 799e709b | aliguori | full_update = 1;
|
2074 | 799e709b | aliguori | } |
2075 | 799e709b | aliguori | |
2076 | 4d3b6f6e | balrog | /* Update "hardware" cursor */
|
2077 | 4d3b6f6e | balrog | cursor_offset = ((s->cr[0x0e] << 8) | s->cr[0x0f]) - s->start_addr; |
2078 | 4d3b6f6e | balrog | if (cursor_offset != s->cursor_offset ||
|
2079 | 4d3b6f6e | balrog | s->cr[0xa] != s->cursor_start ||
|
2080 | 4d3b6f6e | balrog | s->cr[0xb] != s->cursor_end || full_update) {
|
2081 | 4d3b6f6e | balrog | cursor_visible = !(s->cr[0xa] & 0x20); |
2082 | 4d3b6f6e | balrog | if (cursor_visible && cursor_offset < size && cursor_offset >= 0) |
2083 | 4d3b6f6e | balrog | dpy_cursor(s->ds, |
2084 | 4d3b6f6e | balrog | TEXTMODE_X(cursor_offset), |
2085 | 4d3b6f6e | balrog | TEXTMODE_Y(cursor_offset)); |
2086 | 4d3b6f6e | balrog | else
|
2087 | 4d3b6f6e | balrog | dpy_cursor(s->ds, -1, -1); |
2088 | 4d3b6f6e | balrog | s->cursor_offset = cursor_offset; |
2089 | 4d3b6f6e | balrog | s->cursor_start = s->cr[0xa];
|
2090 | 4d3b6f6e | balrog | s->cursor_end = s->cr[0xb];
|
2091 | 4d3b6f6e | balrog | } |
2092 | 4d3b6f6e | balrog | |
2093 | 4d3b6f6e | balrog | src = (uint32_t *) s->vram_ptr + s->start_addr; |
2094 | 4d3b6f6e | balrog | dst = chardata; |
2095 | 4d3b6f6e | balrog | |
2096 | 4d3b6f6e | balrog | if (full_update) {
|
2097 | 4d3b6f6e | balrog | for (i = 0; i < size; src ++, dst ++, i ++) |
2098 | 4d3b6f6e | balrog | console_write_ch(dst, VMEM2CHTYPE(*src)); |
2099 | 4d3b6f6e | balrog | |
2100 | 4d3b6f6e | balrog | dpy_update(s->ds, 0, 0, width, height); |
2101 | 4d3b6f6e | balrog | } else {
|
2102 | 4d3b6f6e | balrog | c_max = 0;
|
2103 | 4d3b6f6e | balrog | |
2104 | 4d3b6f6e | balrog | for (i = 0; i < size; src ++, dst ++, i ++) { |
2105 | 4d3b6f6e | balrog | console_write_ch(&val, VMEM2CHTYPE(*src)); |
2106 | 4d3b6f6e | balrog | if (*dst != val) {
|
2107 | 4d3b6f6e | balrog | *dst = val; |
2108 | 4d3b6f6e | balrog | c_max = i; |
2109 | 4d3b6f6e | balrog | break;
|
2110 | 4d3b6f6e | balrog | } |
2111 | 4d3b6f6e | balrog | } |
2112 | 4d3b6f6e | balrog | c_min = i; |
2113 | 4d3b6f6e | balrog | for (; i < size; src ++, dst ++, i ++) {
|
2114 | 4d3b6f6e | balrog | console_write_ch(&val, VMEM2CHTYPE(*src)); |
2115 | 4d3b6f6e | balrog | if (*dst != val) {
|
2116 | 4d3b6f6e | balrog | *dst = val; |
2117 | 4d3b6f6e | balrog | c_max = i; |
2118 | 4d3b6f6e | balrog | } |
2119 | 4d3b6f6e | balrog | } |
2120 | 4d3b6f6e | balrog | |
2121 | 4d3b6f6e | balrog | if (c_min <= c_max) {
|
2122 | 4d3b6f6e | balrog | i = TEXTMODE_Y(c_min); |
2123 | 4d3b6f6e | balrog | dpy_update(s->ds, 0, i, width, TEXTMODE_Y(c_max) - i + 1); |
2124 | 4d3b6f6e | balrog | } |
2125 | 4d3b6f6e | balrog | } |
2126 | 4d3b6f6e | balrog | |
2127 | 4d3b6f6e | balrog | return;
|
2128 | 4d3b6f6e | balrog | case GMODE_GRAPH:
|
2129 | 4d3b6f6e | balrog | if (!full_update)
|
2130 | 4d3b6f6e | balrog | return;
|
2131 | 4d3b6f6e | balrog | |
2132 | 4d3b6f6e | balrog | s->get_resolution(s, &width, &height); |
2133 | 363a37d5 | blueswir1 | snprintf(msg_buffer, sizeof(msg_buffer), "%i x %i Graphic mode", |
2134 | 363a37d5 | blueswir1 | width, height); |
2135 | 4d3b6f6e | balrog | break;
|
2136 | 4d3b6f6e | balrog | case GMODE_BLANK:
|
2137 | 4d3b6f6e | balrog | default:
|
2138 | 4d3b6f6e | balrog | if (!full_update)
|
2139 | 4d3b6f6e | balrog | return;
|
2140 | 4d3b6f6e | balrog | |
2141 | 363a37d5 | blueswir1 | snprintf(msg_buffer, sizeof(msg_buffer), "VGA Blank mode"); |
2142 | 4d3b6f6e | balrog | break;
|
2143 | 4d3b6f6e | balrog | } |
2144 | 4d3b6f6e | balrog | |
2145 | 4d3b6f6e | balrog | /* Display a message */
|
2146 | 5228c2d3 | balrog | s->last_width = 60;
|
2147 | 5228c2d3 | balrog | s->last_height = height = 3;
|
2148 | 4d3b6f6e | balrog | dpy_cursor(s->ds, -1, -1); |
2149 | 7d957bd8 | aliguori | s->ds->surface->width = s->last_width; |
2150 | 7d957bd8 | aliguori | s->ds->surface->height = height; |
2151 | 7d957bd8 | aliguori | dpy_resize(s->ds); |
2152 | 4d3b6f6e | balrog | |
2153 | 5228c2d3 | balrog | for (dst = chardata, i = 0; i < s->last_width * height; i ++) |
2154 | 4d3b6f6e | balrog | console_write_ch(dst ++, ' ');
|
2155 | 4d3b6f6e | balrog | |
2156 | 4d3b6f6e | balrog | size = strlen(msg_buffer); |
2157 | 5228c2d3 | balrog | width = (s->last_width - size) / 2;
|
2158 | 5228c2d3 | balrog | dst = chardata + s->last_width + width; |
2159 | 4d3b6f6e | balrog | for (i = 0; i < size; i ++) |
2160 | 4d3b6f6e | balrog | console_write_ch(dst ++, 0x00200100 | msg_buffer[i]);
|
2161 | 4d3b6f6e | balrog | |
2162 | 5228c2d3 | balrog | dpy_update(s->ds, 0, 0, s->last_width, height); |
2163 | 4d3b6f6e | balrog | } |
2164 | 4d3b6f6e | balrog | |
2165 | f97e36b9 | Juan Quintela | CPUReadMemoryFunc * const vga_mem_read[3] = { |
2166 | e89f66ec | bellard | vga_mem_readb, |
2167 | e89f66ec | bellard | vga_mem_readw, |
2168 | e89f66ec | bellard | vga_mem_readl, |
2169 | e89f66ec | bellard | }; |
2170 | e89f66ec | bellard | |
2171 | f97e36b9 | Juan Quintela | CPUWriteMemoryFunc * const vga_mem_write[3] = { |
2172 | e89f66ec | bellard | vga_mem_writeb, |
2173 | e89f66ec | bellard | vga_mem_writew, |
2174 | e89f66ec | bellard | vga_mem_writel, |
2175 | e89f66ec | bellard | }; |
2176 | e89f66ec | bellard | |
2177 | 11b6b345 | Juan Quintela | static int vga_common_post_load(void *opaque, int version_id) |
2178 | b0a21b53 | bellard | { |
2179 | 0d65ddc3 | Juan Quintela | VGACommonState *s = opaque; |
2180 | 11b6b345 | Juan Quintela | |
2181 | 11b6b345 | Juan Quintela | /* force refresh */
|
2182 | 11b6b345 | Juan Quintela | s->graphic_mode = -1;
|
2183 | 11b6b345 | Juan Quintela | return 0; |
2184 | 11b6b345 | Juan Quintela | } |
2185 | 11b6b345 | Juan Quintela | |
2186 | 11b6b345 | Juan Quintela | const VMStateDescription vmstate_vga_common = {
|
2187 | 11b6b345 | Juan Quintela | .name = "vga",
|
2188 | 11b6b345 | Juan Quintela | .version_id = 2,
|
2189 | 11b6b345 | Juan Quintela | .minimum_version_id = 2,
|
2190 | 11b6b345 | Juan Quintela | .minimum_version_id_old = 2,
|
2191 | 11b6b345 | Juan Quintela | .post_load = vga_common_post_load, |
2192 | 11b6b345 | Juan Quintela | .fields = (VMStateField []) { |
2193 | 11b6b345 | Juan Quintela | VMSTATE_UINT32(latch, VGACommonState), |
2194 | 11b6b345 | Juan Quintela | VMSTATE_UINT8(sr_index, VGACommonState), |
2195 | 11b6b345 | Juan Quintela | VMSTATE_PARTIAL_BUFFER(sr, VGACommonState, 8),
|
2196 | 11b6b345 | Juan Quintela | VMSTATE_UINT8(gr_index, VGACommonState), |
2197 | 11b6b345 | Juan Quintela | VMSTATE_PARTIAL_BUFFER(gr, VGACommonState, 16),
|
2198 | 11b6b345 | Juan Quintela | VMSTATE_UINT8(ar_index, VGACommonState), |
2199 | 11b6b345 | Juan Quintela | VMSTATE_BUFFER(ar, VGACommonState), |
2200 | 11b6b345 | Juan Quintela | VMSTATE_INT32(ar_flip_flop, VGACommonState), |
2201 | 11b6b345 | Juan Quintela | VMSTATE_UINT8(cr_index, VGACommonState), |
2202 | 11b6b345 | Juan Quintela | VMSTATE_BUFFER(cr, VGACommonState), |
2203 | 11b6b345 | Juan Quintela | VMSTATE_UINT8(msr, VGACommonState), |
2204 | 11b6b345 | Juan Quintela | VMSTATE_UINT8(fcr, VGACommonState), |
2205 | 11b6b345 | Juan Quintela | VMSTATE_UINT8(st00, VGACommonState), |
2206 | 11b6b345 | Juan Quintela | VMSTATE_UINT8(st01, VGACommonState), |
2207 | 11b6b345 | Juan Quintela | |
2208 | 11b6b345 | Juan Quintela | VMSTATE_UINT8(dac_state, VGACommonState), |
2209 | 11b6b345 | Juan Quintela | VMSTATE_UINT8(dac_sub_index, VGACommonState), |
2210 | 11b6b345 | Juan Quintela | VMSTATE_UINT8(dac_read_index, VGACommonState), |
2211 | 11b6b345 | Juan Quintela | VMSTATE_UINT8(dac_write_index, VGACommonState), |
2212 | 11b6b345 | Juan Quintela | VMSTATE_BUFFER(dac_cache, VGACommonState), |
2213 | 11b6b345 | Juan Quintela | VMSTATE_BUFFER(palette, VGACommonState), |
2214 | 11b6b345 | Juan Quintela | |
2215 | 11b6b345 | Juan Quintela | VMSTATE_INT32(bank_offset, VGACommonState), |
2216 | 11b6b345 | Juan Quintela | VMSTATE_UINT8_EQUAL(is_vbe_vmstate, VGACommonState), |
2217 | b0a21b53 | bellard | #ifdef CONFIG_BOCHS_VBE
|
2218 | 11b6b345 | Juan Quintela | VMSTATE_UINT16(vbe_index, VGACommonState), |
2219 | 11b6b345 | Juan Quintela | VMSTATE_UINT16_ARRAY(vbe_regs, VGACommonState, VBE_DISPI_INDEX_NB), |
2220 | 11b6b345 | Juan Quintela | VMSTATE_UINT32(vbe_start_addr, VGACommonState), |
2221 | 11b6b345 | Juan Quintela | VMSTATE_UINT32(vbe_line_offset, VGACommonState), |
2222 | 11b6b345 | Juan Quintela | VMSTATE_UINT32(vbe_bank_mask, VGACommonState), |
2223 | b0a21b53 | bellard | #endif
|
2224 | 11b6b345 | Juan Quintela | VMSTATE_END_OF_LIST() |
2225 | 11b6b345 | Juan Quintela | } |
2226 | 11b6b345 | Juan Quintela | }; |
2227 | 11b6b345 | Juan Quintela | |
2228 | a4a2f59c | Juan Quintela | void vga_common_init(VGACommonState *s, int vga_ram_size) |
2229 | e89f66ec | bellard | { |
2230 | 17b0018b | bellard | int i, j, v, b;
|
2231 | e89f66ec | bellard | |
2232 | e89f66ec | bellard | for(i = 0;i < 256; i++) { |
2233 | e89f66ec | bellard | v = 0;
|
2234 | e89f66ec | bellard | for(j = 0; j < 8; j++) { |
2235 | e89f66ec | bellard | v |= ((i >> j) & 1) << (j * 4); |
2236 | e89f66ec | bellard | } |
2237 | e89f66ec | bellard | expand4[i] = v; |
2238 | e89f66ec | bellard | |
2239 | e89f66ec | bellard | v = 0;
|
2240 | e89f66ec | bellard | for(j = 0; j < 4; j++) { |
2241 | e89f66ec | bellard | v |= ((i >> (2 * j)) & 3) << (j * 4); |
2242 | e89f66ec | bellard | } |
2243 | e89f66ec | bellard | expand2[i] = v; |
2244 | e89f66ec | bellard | } |
2245 | 17b0018b | bellard | for(i = 0; i < 16; i++) { |
2246 | 17b0018b | bellard | v = 0;
|
2247 | 17b0018b | bellard | for(j = 0; j < 4; j++) { |
2248 | 17b0018b | bellard | b = ((i >> j) & 1);
|
2249 | 17b0018b | bellard | v |= b << (2 * j);
|
2250 | 17b0018b | bellard | v |= b << (2 * j + 1); |
2251 | 17b0018b | bellard | } |
2252 | 17b0018b | bellard | expand4to8[i] = v; |
2253 | 17b0018b | bellard | } |
2254 | e89f66ec | bellard | |
2255 | 2a3138ab | Juan Quintela | #ifdef CONFIG_BOCHS_VBE
|
2256 | 2a3138ab | Juan Quintela | s->is_vbe_vmstate = 1;
|
2257 | 2a3138ab | Juan Quintela | #else
|
2258 | 2a3138ab | Juan Quintela | s->is_vbe_vmstate = 0;
|
2259 | 2a3138ab | Juan Quintela | #endif
|
2260 | b584726d | pbrook | s->vram_offset = qemu_ram_alloc(vga_ram_size); |
2261 | b584726d | pbrook | s->vram_ptr = qemu_get_ram_ptr(s->vram_offset); |
2262 | e89f66ec | bellard | s->vram_size = vga_ram_size; |
2263 | 798b0c25 | bellard | s->get_bpp = vga_get_bpp; |
2264 | 798b0c25 | bellard | s->get_offsets = vga_get_offsets; |
2265 | a130a41e | bellard | s->get_resolution = vga_get_resolution; |
2266 | d34cab9f | ths | s->update = vga_update_display; |
2267 | d34cab9f | ths | s->invalidate = vga_invalidate_display; |
2268 | d34cab9f | ths | s->screen_dump = vga_screen_dump; |
2269 | 4d3b6f6e | balrog | s->text_update = vga_update_text; |
2270 | cb5a7aa8 | malc | switch (vga_retrace_method) {
|
2271 | cb5a7aa8 | malc | case VGA_RETRACE_DUMB:
|
2272 | cb5a7aa8 | malc | s->retrace = vga_dumb_retrace; |
2273 | cb5a7aa8 | malc | s->update_retrace_info = vga_dumb_update_retrace_info; |
2274 | cb5a7aa8 | malc | break;
|
2275 | cb5a7aa8 | malc | |
2276 | cb5a7aa8 | malc | case VGA_RETRACE_PRECISE:
|
2277 | cb5a7aa8 | malc | s->retrace = vga_precise_retrace; |
2278 | cb5a7aa8 | malc | s->update_retrace_info = vga_precise_update_retrace_info; |
2279 | cb5a7aa8 | malc | break;
|
2280 | cb5a7aa8 | malc | } |
2281 | 798b0c25 | bellard | } |
2282 | 798b0c25 | bellard | |
2283 | d2269f6f | bellard | /* used by both ISA and PCI */
|
2284 | cedd91d2 | Juan Quintela | void vga_init(VGACommonState *s)
|
2285 | 798b0c25 | bellard | { |
2286 | d2269f6f | bellard | int vga_io_memory;
|
2287 | 7b17d41e | bellard | |
2288 | a08d4367 | Jan Kiszka | qemu_register_reset(vga_reset, s); |
2289 | b0a21b53 | bellard | |
2290 | 0f35920c | bellard | register_ioport_write(0x3c0, 16, 1, vga_ioport_write, s); |
2291 | e89f66ec | bellard | |
2292 | 0f35920c | bellard | register_ioport_write(0x3b4, 2, 1, vga_ioport_write, s); |
2293 | 0f35920c | bellard | register_ioport_write(0x3d4, 2, 1, vga_ioport_write, s); |
2294 | 0f35920c | bellard | register_ioport_write(0x3ba, 1, 1, vga_ioport_write, s); |
2295 | 0f35920c | bellard | register_ioport_write(0x3da, 1, 1, vga_ioport_write, s); |
2296 | e89f66ec | bellard | |
2297 | 0f35920c | bellard | register_ioport_read(0x3c0, 16, 1, vga_ioport_read, s); |
2298 | e89f66ec | bellard | |
2299 | 0f35920c | bellard | register_ioport_read(0x3b4, 2, 1, vga_ioport_read, s); |
2300 | 0f35920c | bellard | register_ioport_read(0x3d4, 2, 1, vga_ioport_read, s); |
2301 | 0f35920c | bellard | register_ioport_read(0x3ba, 1, 1, vga_ioport_read, s); |
2302 | 0f35920c | bellard | register_ioport_read(0x3da, 1, 1, vga_ioport_read, s); |
2303 | 26aa7d72 | bellard | s->bank_offset = 0;
|
2304 | e89f66ec | bellard | |
2305 | 4fa0f5d2 | bellard | #ifdef CONFIG_BOCHS_VBE
|
2306 | 09a79b49 | bellard | #if defined (TARGET_I386)
|
2307 | 09a79b49 | bellard | register_ioport_read(0x1ce, 1, 2, vbe_ioport_read_index, s); |
2308 | 09a79b49 | bellard | register_ioport_read(0x1cf, 1, 2, vbe_ioport_read_data, s); |
2309 | 4fa0f5d2 | bellard | |
2310 | 09a79b49 | bellard | register_ioport_write(0x1ce, 1, 2, vbe_ioport_write_index, s); |
2311 | 09a79b49 | bellard | register_ioport_write(0x1cf, 1, 2, vbe_ioport_write_data, s); |
2312 | 646be93b | bellard | |
2313 | 646be93b | bellard | /* old Bochs IO ports */
|
2314 | 09a79b49 | bellard | register_ioport_read(0xff80, 1, 2, vbe_ioport_read_index, s); |
2315 | 09a79b49 | bellard | register_ioport_read(0xff81, 1, 2, vbe_ioport_read_data, s); |
2316 | 646be93b | bellard | |
2317 | 09a79b49 | bellard | register_ioport_write(0xff80, 1, 2, vbe_ioport_write_index, s); |
2318 | 5fafdf24 | ths | register_ioport_write(0xff81, 1, 2, vbe_ioport_write_data, s); |
2319 | 09a79b49 | bellard | #else
|
2320 | 09a79b49 | bellard | register_ioport_read(0x1ce, 1, 2, vbe_ioport_read_index, s); |
2321 | 09a79b49 | bellard | register_ioport_read(0x1d0, 1, 2, vbe_ioport_read_data, s); |
2322 | 09a79b49 | bellard | |
2323 | 09a79b49 | bellard | register_ioport_write(0x1ce, 1, 2, vbe_ioport_write_index, s); |
2324 | 09a79b49 | bellard | register_ioport_write(0x1d0, 1, 2, vbe_ioport_write_data, s); |
2325 | 4fa0f5d2 | bellard | #endif
|
2326 | 09a79b49 | bellard | #endif /* CONFIG_BOCHS_VBE */ |
2327 | 4fa0f5d2 | bellard | |
2328 | 1eed09cb | Avi Kivity | vga_io_memory = cpu_register_io_memory(vga_mem_read, vga_mem_write, s); |
2329 | 5fafdf24 | ths | cpu_register_physical_memory(isa_mem_base + 0x000a0000, 0x20000, |
2330 | 26aa7d72 | bellard | vga_io_memory); |
2331 | f65ed4c1 | aliguori | qemu_register_coalesced_mmio(isa_mem_base + 0x000a0000, 0x20000); |
2332 | d2269f6f | bellard | } |
2333 | d2269f6f | bellard | |
2334 | f0138a63 | Anthony Liguori | void vga_init_vbe(VGACommonState *s)
|
2335 | f0138a63 | Anthony Liguori | { |
2336 | f0138a63 | Anthony Liguori | #ifdef CONFIG_BOCHS_VBE
|
2337 | f0138a63 | Anthony Liguori | /* XXX: use optimized standard vga accesses */
|
2338 | f0138a63 | Anthony Liguori | cpu_register_physical_memory(VBE_DISPI_LFB_PHYSICAL_ADDRESS, |
2339 | f0138a63 | Anthony Liguori | VGA_RAM_SIZE, s->vram_offset); |
2340 | f0138a63 | Anthony Liguori | s->vbe_mapped = 1;
|
2341 | f0138a63 | Anthony Liguori | #endif
|
2342 | f0138a63 | Anthony Liguori | } |
2343 | 59a983b9 | bellard | /********************************************************/
|
2344 | 59a983b9 | bellard | /* vga screen dump */
|
2345 | 59a983b9 | bellard | |
2346 | 04a52b41 | Stefano Stabellini | static void vga_save_dpy_update(DisplayState *ds, |
2347 | 59a983b9 | bellard | int x, int y, int w, int h) |
2348 | 59a983b9 | bellard | { |
2349 | 04a52b41 | Stefano Stabellini | if (screen_dump_filename) {
|
2350 | 04a52b41 | Stefano Stabellini | ppm_save(screen_dump_filename, ds->surface); |
2351 | 04a52b41 | Stefano Stabellini | screen_dump_filename = NULL;
|
2352 | 04a52b41 | Stefano Stabellini | } |
2353 | 59a983b9 | bellard | } |
2354 | 59a983b9 | bellard | |
2355 | 7d957bd8 | aliguori | static void vga_save_dpy_resize(DisplayState *s) |
2356 | 59a983b9 | bellard | { |
2357 | 59a983b9 | bellard | } |
2358 | 59a983b9 | bellard | |
2359 | 59a983b9 | bellard | static void vga_save_dpy_refresh(DisplayState *s) |
2360 | 59a983b9 | bellard | { |
2361 | 59a983b9 | bellard | } |
2362 | 59a983b9 | bellard | |
2363 | e07d630a | aliguori | int ppm_save(const char *filename, struct DisplaySurface *ds) |
2364 | 59a983b9 | bellard | { |
2365 | 59a983b9 | bellard | FILE *f; |
2366 | 59a983b9 | bellard | uint8_t *d, *d1; |
2367 | e07d630a | aliguori | uint32_t v; |
2368 | 59a983b9 | bellard | int y, x;
|
2369 | e07d630a | aliguori | uint8_t r, g, b; |
2370 | 59a983b9 | bellard | |
2371 | 59a983b9 | bellard | f = fopen(filename, "wb");
|
2372 | 59a983b9 | bellard | if (!f)
|
2373 | 59a983b9 | bellard | return -1; |
2374 | 59a983b9 | bellard | fprintf(f, "P6\n%d %d\n%d\n",
|
2375 | e07d630a | aliguori | ds->width, ds->height, 255);
|
2376 | e07d630a | aliguori | d1 = ds->data; |
2377 | e07d630a | aliguori | for(y = 0; y < ds->height; y++) { |
2378 | 59a983b9 | bellard | d = d1; |
2379 | e07d630a | aliguori | for(x = 0; x < ds->width; x++) { |
2380 | e07d630a | aliguori | if (ds->pf.bits_per_pixel == 32) |
2381 | e07d630a | aliguori | v = *(uint32_t *)d; |
2382 | e07d630a | aliguori | else
|
2383 | e07d630a | aliguori | v = (uint32_t) (*(uint16_t *)d); |
2384 | e07d630a | aliguori | r = ((v >> ds->pf.rshift) & ds->pf.rmax) * 256 /
|
2385 | e07d630a | aliguori | (ds->pf.rmax + 1);
|
2386 | e07d630a | aliguori | g = ((v >> ds->pf.gshift) & ds->pf.gmax) * 256 /
|
2387 | e07d630a | aliguori | (ds->pf.gmax + 1);
|
2388 | e07d630a | aliguori | b = ((v >> ds->pf.bshift) & ds->pf.bmax) * 256 /
|
2389 | e07d630a | aliguori | (ds->pf.bmax + 1);
|
2390 | e07d630a | aliguori | fputc(r, f); |
2391 | e07d630a | aliguori | fputc(g, f); |
2392 | e07d630a | aliguori | fputc(b, f); |
2393 | e07d630a | aliguori | d += ds->pf.bytes_per_pixel; |
2394 | 59a983b9 | bellard | } |
2395 | e07d630a | aliguori | d1 += ds->linesize; |
2396 | 59a983b9 | bellard | } |
2397 | 59a983b9 | bellard | fclose(f); |
2398 | 59a983b9 | bellard | return 0; |
2399 | 59a983b9 | bellard | } |
2400 | 59a983b9 | bellard | |
2401 | 04a52b41 | Stefano Stabellini | static DisplayChangeListener* vga_screen_dump_init(DisplayState *ds)
|
2402 | 4c5e8c5c | blueswir1 | { |
2403 | 04a52b41 | Stefano Stabellini | DisplayChangeListener *dcl; |
2404 | 4c5e8c5c | blueswir1 | |
2405 | 04a52b41 | Stefano Stabellini | dcl = qemu_mallocz(sizeof(DisplayChangeListener));
|
2406 | 04a52b41 | Stefano Stabellini | dcl->dpy_update = vga_save_dpy_update; |
2407 | 04a52b41 | Stefano Stabellini | dcl->dpy_resize = vga_save_dpy_resize; |
2408 | 04a52b41 | Stefano Stabellini | dcl->dpy_refresh = vga_save_dpy_refresh; |
2409 | 04a52b41 | Stefano Stabellini | register_displaychangelistener(ds, dcl); |
2410 | 04a52b41 | Stefano Stabellini | return dcl;
|
2411 | 4c5e8c5c | blueswir1 | } |
2412 | 4c5e8c5c | blueswir1 | |
2413 | 4c5e8c5c | blueswir1 | /* save the vga display in a PPM image even if no display is
|
2414 | 4c5e8c5c | blueswir1 | available */
|
2415 | 4c5e8c5c | blueswir1 | static void vga_screen_dump(void *opaque, const char *filename) |
2416 | 4c5e8c5c | blueswir1 | { |
2417 | cedd91d2 | Juan Quintela | VGACommonState *s = opaque; |
2418 | 4c5e8c5c | blueswir1 | |
2419 | 04a52b41 | Stefano Stabellini | if (!screen_dump_dcl)
|
2420 | 04a52b41 | Stefano Stabellini | screen_dump_dcl = vga_screen_dump_init(s->ds); |
2421 | 04a52b41 | Stefano Stabellini | |
2422 | 04a52b41 | Stefano Stabellini | screen_dump_filename = (char *)filename;
|
2423 | 9d1b494a | aliguori | vga_invalidate_display(s); |
2424 | 04a52b41 | Stefano Stabellini | vga_hw_update(); |
2425 | 4c5e8c5c | blueswir1 | } |